:root {
  /* Tetrad color scheme */
  --primary: #3a7bd5;
  --primary-dark: #2a5ea8;
  --primary-light: #5a93e5;
  
  --secondary: #d53a7b;
  --secondary-dark: #a82a5e;
  --secondary-light: #e55a93;
  
  --tertiary: #7bd53a;
  --tertiary-dark: #5ea82a;
  --tertiary-light: #93e55a;
  
  --quaternary: #d57b3a;
  --quaternary-dark: #a85e2a;
  --quaternary-light: #e5935a;
  
  /* Neutral colors */
  --dark: #222222;
  --gray-dark: #444444;
  --gray: #777777;
  --gray-light: #dddddd;
  --light: #f8f9fa;
  --white: #ffffff;
  
  /* Font families */
  --heading-font: 'Playfair Display', serif;
  --body-font: 'Source Sans Pro', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Border radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== BASE STYLES ===== */
body {
  font-family: var(--body-font);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.8rem;
}

h3 {
  font-size: 2rem;
}

p {
  margin-bottom: 1.5rem;
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

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

section {
  padding: 5rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

/* ===== BUTTONS ===== */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.btn::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  top: 50%;
  left: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white) !important;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white) !important;
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-tertiary {
  background-color: var(--tertiary);
  color: var(--white) !important;
}

.btn-tertiary:hover {
  background-color: var(--tertiary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-outline-light {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white) !important;
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-success {
  background-color: var(--tertiary);
  color: var(--white) !important;
}

.btn-success:hover {
  background-color: var(--tertiary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.25rem;
  border-radius: var(--radius);
}

/* ===== UTILITY CLASSES ===== */
.bg-light {
  background-color: var(--light);
}

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

.bg-secondary {
  background-color: var(--secondary);
  color: var(--white);
}

.bg-tertiary {
  background-color: var(--tertiary);
  color: var(--dark);
}

.bg-quaternary {
  background-color: var(--quaternary);
  color: var(--white);
}

.bg-dark {
  background-color: var(--dark);
  color: var(--white);
}

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

.text-secondary {
  color: var(--secondary) !important;
}

.text-tertiary {
  color: var(--tertiary) !important;
}

.text-quaternary {
  color: var(--quaternary) !important;
}

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

/* Read more links */
.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--primary);
  position: relative;
  padding-right: 1.5rem;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 0;
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  padding-right: 1.75rem;
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* Shadows */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow {
  box-shadow: var(--shadow);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.animate-pulse {
  animation: pulse 3s ease-in-out infinite;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

.navbar {
  padding: 1rem 0;
  transition: all var(--transition);
}

.navbar-brand img {
  max-height: 60px;
  transition: all var(--transition);
}

.navbar-light .navbar-nav .nav-link {
  color: var(--dark);
  font-weight: 600;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--primary);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.navbar-light .navbar-nav .nav-link:hover {
  color: var(--primary);
}

.navbar-light .navbar-nav .nav-link:hover::after {
  width: 50%;
}

.navbar-light .navbar-nav .active > .nav-link,
.navbar-light .navbar-nav .nav-link.active {
  color: var(--primary);
}

.navbar-light .navbar-nav .active > .nav-link::after,
.navbar-light .navbar-nav .nav-link.active::after {
  width: 50%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

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

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
  transition: transform 0.8s ease-out;
}

.hero:hover .hero-image-container {
  transform: scale(1.05);
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
  z-index: -1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards 0.3s;
}

.hero p {
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards 0.6s;
}

.hero-buttons {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards 0.9s;
}

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

/* ===== SERVICES SECTION ===== */
.service-card {
  height: 100%;
  transition: all var(--transition);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.service-card .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card .card-img-top {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.service-card .card-body {
  padding: 2rem;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary-light);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background-color: var(--primary);
  transform: rotate(10deg);
}

/* ===== OUR PROCESS SECTION ===== */
.process {
  position: relative;
}

.timeline-container {
  position: relative;
  padding: 2rem 0;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: var(--primary-light);
  transform: translateX(-50%);
}

.timeline-row {
  margin-bottom: 4rem;
}

.timeline-item {
  position: relative;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.timeline-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  top: 50%;
  right: -10px;
  transform: translateY(-50%);
  z-index: 2;
}

.timeline-row:nth-child(even) .timeline-dot {
  left: -10px;
  right: auto;
}

.timeline-content h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

@media (max-width: 767.98px) {
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-row .col-md-6 {
    width: 100%;
    margin-left: 0 !important;
  }
  
  .timeline-dot {
    left: 10px !important;
    right: auto !important;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
}

/* ===== INNOVATION SECTION ===== */
.innovation-card {
  margin-bottom: 2rem;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}

.innovation-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.innovation-icon {
  color: var(--quaternary);
  transition: all var(--transition);
}

.innovation-card:hover .innovation-icon {
  transform: rotate(10deg);
  color: var(--quaternary-dark);
}

.innovation-content h3 {
  margin-bottom: 1rem;
  color: var(--quaternary);
}

/* ===== RECOMMENDED HOTELS SECTION ===== */
.recommended-hotels .card {
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.recommended-hotels .card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.recommended-hotels .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.recommended-hotels .card-img-top {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.recommended-hotels .card:hover .card-img-top {
  transform: scale(1.05);
}

.recommended-hotels .card-body {
  padding: 2rem;
  text-align: center;
  flex: 1;
}

.recommended-hotels .card-title {
  margin-bottom: 1rem;
}

.recommended-hotels .card-title a {
  color: var(--dark);
  transition: color var(--transition-fast);
}

.recommended-hotels .card-title a:hover {
  color: var(--primary);
}

/* ===== INSTRUCTORS SECTION ===== */
.instructor-card {
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.instructor-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.instructor-card .card-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.instructor-card .card-img-top {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.instructor-position {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.social-links a {
  display: inline-block;
  margin: 0 0.5rem;
  color: var(--gray);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  color: var(--primary);
  transform: translateY(-3px);
}

/* ===== SUSTAINABILITY SECTION ===== */
.sustainability-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.sustainability-content h3 {
  color: var(--tertiary-dark);
}

.sustainability-list {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.sustainability-list li {
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
}

.sustainability-list li i {
  position: absolute;
  left: 0;
  top: 0.25rem;
}

/* ===== AWARDS SECTION ===== */
.award-card {
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}

.award-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.award-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  transition: all var(--transition);
}

.award-card:hover .award-icon {
  transform: rotate(10deg);
}

.award-card h3 {
  margin-bottom: 1rem;
  color: var(--secondary);
}

/* ===== CONTACT SECTION ===== */
.contact-info {
  height: 100%;
}

.contact-info h3 {
  color: var(--primary);
}

.contact-icon {
  width: 40px;
  height: 40px;
  color: var(--primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form h3 {
  color: var(--primary);
}

.form-control {
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(58, 123, 213, 0.25);
}

.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-select {
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(58, 123, 213, 0.25);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* ===== FOOTER ===== */
.footer {
  padding: 5rem 0 2rem;
}

.footer h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--white);
  transition: all var(--transition-fast);
  position: relative;
  padding-left: 1rem;
}

.footer-links a::before {
  content: "→";
  position: absolute;
  left: 0;
  transition: transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 1.25rem;
}

.footer-links a:hover::before {
  transform: translateX(3px);
}

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.newsletter-form .form-control:focus {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--primary-light);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.footer .social-links {
  display: flex;
  margin-top: 1rem;
}

.footer .social-links a {
  color: var(--white);
  margin-right: 1.5rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.footer .social-links a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* ===== COOKIE CONSENT ===== */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--white);
  padding: 1rem;
  z-index: 9999;
  display: none;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content p {
  margin: 0;
}

.cookie-content a {
  color: var(--primary-light);
}

/* ===== SUCCESS PAGE ===== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-container {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.success-icon {
  width: 100px;
  height: 100px;
  background-color: var(--tertiary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 2rem;
}

/* ===== PRIVACY & TERMS PAGES ===== */
.page-content {
  padding-top: 100px;
  padding-bottom: 5rem;
}

.page-content h1 {
  margin-bottom: 2rem;
  color: var(--primary);
}

.page-content h2 {
  margin: 2.5rem 0 1.5rem;
  color: var(--primary-dark);
}

.page-content h3 {
  margin: 2rem 0 1rem;
  color: var(--gray-dark);
}

/* ===== MEDIA QUERIES ===== */
@media (max-width: 991.98px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  h3 {
    font-size: 1.8rem;
  }
  
  .navbar-collapse {
    background-color: var(--white);
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  
  .hero {
    height: 70vh;
  }
}

@media (max-width: 767.98px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .hero {
    height: 60vh;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-content button {
    margin-top: 1rem;
    width: 100%;
  }
}

@media (max-width: 575.98px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .hero {
    height: 50vh;
  }
  
  .hero-buttons .btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .hero-buttons .btn:last-child {
    margin-bottom: 0;
  }
}