/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
  /* Colors */
  --primary-blue: #0a3d62;
  --primary-light: #1e90ff;
  --secondary-green: #27ae60;
  --secondary-light: #2ecc71;
  --accent-orange: #ff6b35;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --text-dark: #000000;
  --text-gray: #000000;
  --text-light: #000000;
  --border-color: #e9ecef;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-xxl: 3rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ========================================
   Utility Classes
   ======================================== */

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

.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-blue);
}

.section-subtitle {
  text-align: center;
  color: #000000;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-md);
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(2) {
  animation-delay: 0.2s;
}

.fade-in:nth-child(3) {
  animation-delay: 0.4s;
}

.fade-in:nth-child(4) {
  animation-delay: 0.6s;
}

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

.scroll-animate {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Navigation Bar
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-blue);
  white-space: nowrap;
}

@media (max-width: 480px) {
  .nav-logo {
    font-size: 1.2rem;
  }

  .logo-icon {
    font-size: 1.5rem;
  }
}

.logo-icon {
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 6px;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-light);
  background: rgba(30, 144, 255, 0.1);
}

.nav-cta {
  background: linear-gradient(135deg, var(--secondary-green), var(--secondary-light));
  color: white;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  white-space: nowrap;
  font-size: 0.95rem;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 3px;
  transition: var(--transition-normal);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('imgs/image3.jpg') center/cover no-repeat;
  color: white;
  padding-top: 80px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 61, 98, 0.85), rgba(30, 144, 255, 0.75));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xxl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 1px;
}

.hero-description {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

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

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

.btn-secondary:hover {
  background: transparent;
  color: white;
  transform: translateY(-3px);
}

.btn-large {
  padding: 18px 40px;
  font-size: var(--font-size-md);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-15px);
  }
  60% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ========================================
   About Section
   ======================================== */

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

.about-content {
  display: grid;
  gap: var(--spacing-lg);
}

.about-text {
  font-size: var(--font-size-md);
  color: var(--text-gray);
  line-height: 1.8;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.feature-card {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: var(--spacing-md);
  border-radius: 16px;
  text-align: center;
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  font-family: var(--font-heading);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-md);
}

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

/* ========================================
   Services Section
   ======================================== */

.services {
  background: linear-gradient(180deg, #f8f9fa, #e3f2fd);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-sm);
}

.service-card h3 {
  font-family: var(--font-heading);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-md);
}

.service-card p {
  color: var(--text-gray);
  line-height: 1.6;
}

/* ========================================
   Image Gallery/Slider
   ======================================== */

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

.slider-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.slider {
  position: relative;
  width: 100%;
  height: 500px;
  background: #f0f0f0;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e0e0e0;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-blue);
  font-size: 2.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  z-index: 10;
  box-shadow: var(--shadow-md);
}

.slider-btn:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
  left: 20px;
}

.slider-btn.next {
  right: 20px;
}

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-normal);
}

.dot.active {
  background: white;
  transform: scale(1.3);
}

.dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials {
  background: linear-gradient(180deg, #e3f2fd, #f8f9fa);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.testimonial-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border-left: 4px solid var(--secondary-green);
}

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

.stars {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: #ffc107;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.testimonial-author strong {
  color: var(--primary-blue);
  font-family: var(--font-heading);
}

.testimonial-author span {
  color: #000000;
  font-size: var(--font-size-xs);
}

/* ========================================
   Booking Form Section
   ======================================== */

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

.booking-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.booking-form {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: var(--spacing-lg);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 600;
  color: #000000;
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: #dc3545;
}

.error-message {
  color: #dc3545;
  font-size: var(--font-size-xs);
  min-height: 20px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: var(--font-size-md);
  margin-top: var(--spacing-sm);
}

.success-message {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: var(--spacing-xl);
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  z-index: 100;
}

.success-message.show {
  display: block;
  animation: scaleIn 0.4s ease;
}

@keyframes scaleIn {
  from {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--secondary-green);
  color: white;
  font-size: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.success-message h3 {
  font-family: var(--font-heading);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

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

/* ========================================
   Contact Section
   ======================================== */

.contact {
  background: linear-gradient(180deg, #f8f9fa, #e3f2fd);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

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

.contact-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
  font-family: var(--font-heading);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.contact-card p {
  color: var(--text-gray);
  line-height: 1.8;
  word-break: break-word;
  overflow-wrap: break-word;
}

.contact-card a {
  color: var(--primary-light);
  font-weight: 600;
  word-break: break-word;
  overflow-wrap: break-word;
}

.contact-card a:hover {
  text-decoration: underline;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   FAQ Section
   ======================================== */

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: 12px;
  border: 2px solid transparent;
  transition: var(--transition-normal);
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-item summary {
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--primary-blue);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
  transition: var(--transition-fast);
}

.faq-item[open] summary::after {
  content: '-';
}

.faq-item p {
  padding: 0 var(--spacing-md) var(--spacing-sm);
  color: var(--text-gray);
  line-height: 1.7;
}

.faq-item a {
  color: var(--primary-light);
  font-weight: 600;
}

.faq-item a:hover {
  text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-md);
}

.footer-section p {
  opacity: 0.9;
  line-height: 1.8;
}

.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-section a {
  opacity: 0.9;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  opacity: 1;
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.8;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  /* Navigation */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-sm);
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  /* Hero */
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: var(--font-size-md);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  /* Sections */
  .section-title {
    font-size: var(--font-size-lg);
  }

  .slider {
    height: 300px;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 2rem;
  }

  .slider-btn.prev {
    left: 10px;
  }

  .slider-btn.next {
    right: 10px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .btn-large {
    width: 100%;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }

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

  .slider {
    height: 400px;
  }

  .nav-menu {
    gap: var(--spacing-sm);
  }

  .nav-cta {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 1100px) and (min-width: 769px) {
  .nav-menu {
    gap: 1rem;
  }

  .nav-link {
    padding: var(--spacing-xs) 0.7rem;
    font-size: 0.95rem;
  }
}