/* ============================================================
   BT NEW ADVENTURE TOURS - MAIN STYLESHEET
   Color Scheme derived from logo branding
   ============================================================ */

:root {
  /* Primary Colors from Logo */
  --primary-gold: #F4A000;
  --primary-navy: #1B3A5E;
  --accent-red: #E63946;
  --accent-green: #2D7D3F;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #E8EAED;
  --dark-gray: #333333;
  --text-gray: #555555;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Georgia', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

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

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-gray);
  line-height: 1.6;
  background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-gray);
}

a {
  color: var(--primary-gold);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Links in navigation */
nav a {
  color: var(--white);
}

nav a:hover {
  color: var(--primary-gold);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-gold);
  color: var(--white);
  border-color: var(--primary-gold);
}

.btn-primary:hover {
  background-color: #E09100;
  border-color: #E09100;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(244, 160, 0, 0.3);
}

.btn-secondary {
  background-color: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
}

.btn-secondary:hover {
  background-color: #0F2440;
  border-color: #0F2440;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(27, 58, 94, 0.3);
}

.btn-accent {
  background-color: var(--accent-green);
  color: var(--white);
  border-color: var(--accent-green);
}

.btn-accent:hover {
  background-color: #1F5A2B;
  border-color: #1F5A2B;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(45, 125, 63, 0.3);
}

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

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

header {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.logo img {
  height: 60px;
  width: auto;
  margin-right: var(--spacing-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text-main {
  font-weight: 700;
  font-size: var(--font-size-base);
}

.logo-text-tagline {
  font-size: var(--font-size-xs);
  color: var(--primary-gold);
  font-weight: 600;
}

/* Desktop Navigation */
nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

nav li a {
  color: var(--white);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

nav li a:hover {
  color: var(--primary-gold);
  border-bottom-color: var(--primary-gold);
}

.nav-cta {
  background-color: var(--primary-gold);
  color: var(--white) !important;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  transition: var(--transition);
}

.nav-cta:hover {
  background-color: #E09100;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-sm);
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--white);
  margin: 5px 0;
  transition: var(--transition);
  display: block;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy) 60%, var(--accent-green) 100%);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(244, 160, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(230, 57, 70, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease;
}

.hero h1 {
  color: var(--white);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--primary-gold);
  margin-bottom: var(--spacing-xl);
  font-weight: 600;
}

.hero .btn {
  margin: 0 var(--spacing-sm);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   CONTAINERS & LAYOUTS
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.section-alt {
  background-color: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  color: var(--primary-navy);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-gold);
}

.section-subtitle {
  text-align: center;
  color: var(--text-gray);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-lg);
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */

.grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: var(--transition-slow);
  border: 1px solid var(--medium-gray);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  color: var(--primary-navy);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--text-gray);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Service Cards */
.service-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.service-card .card-icon {
  color: var(--primary-gold);
}

.service-card:hover .card-icon {
  color: var(--accent-red);
}

/* ============================================================
   FORMS
   ============================================================ */

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

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-navy);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

input, textarea, select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--medium-gray);
  border-radius: 4px;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(244, 160, 0, 0.1);
}

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

input[type="checkbox"], input[type="radio"] {
  width: auto;
  margin-right: var(--spacing-sm);
}

.checkbox-group, .radio-group {
  display: grid;
  gap: var(--spacing-sm);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

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

footer {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-section h3 {
  color: var(--primary-gold);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

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

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

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

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

.footer-info {
  background-color: rgba(244, 160, 0, 0.1);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
}

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

.footer-divider {
  border-top: 1px solid rgba(244, 160, 0, 0.3);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: center;
  color: var(--medium-gray);
  font-size: var(--font-size-sm);
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */

.whatsapp-btn {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  text-decoration: none;
  z-index: 999;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.whatsapp-btn:hover {
  background-color: #20BA5A;
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-tooltip {
  position: absolute;
  bottom: 80px;
  right: 0;
  background-color: var(--primary-navy);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  white-space: nowrap;
  font-size: var(--font-size-sm);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
}

/* ============================================================
   GALLERY & LIGHTBOX
   ============================================================ */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  height: 300px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(27, 58, 94, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-icon {
  font-size: 2.5rem;
  color: var(--primary-gold);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--primary-gold);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
}

.lightbox-btn {
  background-color: rgba(244, 160, 0, 0.8);
  color: var(--white);
  border: none;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-btn:hover {
  background-color: var(--primary-gold);
}

/* ============================================================
   FEATURES & BENEFITS
   ============================================================ */

.feature-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.feature-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: var(--primary-gold);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border-radius: 8px;
}

.feature-content h3 {
  color: var(--primary-navy);
  margin-bottom: var(--spacing-sm);
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */

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

.process-step {
  text-align: center;
}

.process-number {
  width: 60px;
  height: 60px;
  background-color: var(--primary-gold);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

.process-step h3 {
  color: var(--primary-navy);
  margin-bottom: var(--spacing-md);
}

.process-step p {
  color: var(--text-gray);
  font-size: var(--font-size-sm);
}

/* ============================================================
   TESTIMONIAL & CTA SECTIONS
   ============================================================ */

.cta-section {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--accent-green) 100%);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
  border-radius: 8px;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: var(--primary-gold);
}

.breadcrumb span {
  color: var(--text-gray);
  margin: 0 var(--spacing-xs);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-in {
  animation: slideInDown 0.6s ease;
}

/* ============================================================
   UTILITIES
   ============================================================ */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--text-gray);
}

.text-gold {
  color: var(--primary-gold);
}

.text-navy {
  color: var(--primary-navy);
}

.text-white {
  color: var(--white);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding: var(--spacing-sm) 0; }
.py-2 { padding: var(--spacing-md) 0; }
.py-3 { padding: var(--spacing-lg) 0; }
.py-4 { padding: var(--spacing-xl) 0; }

.px-1 { padding: 0 var(--spacing-sm); }
.px-2 { padding: 0 var(--spacing-md); }
.px-3 { padding: 0 var(--spacing-lg); }
.px-4 { padding: 0 var(--spacing-xl); }

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.text-right {
  text-align: right;
}

.flex {
  display: flex;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ============================================================
   PRINT STYLES
   ============================================================ */

@media print {
  header, footer, .whatsapp-btn, .hamburger {
    display: none;
  }
  
  body {
    background-color: var(--white);
  }
}