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

:root {
  --primary: #0038a8;
  --primary-dark: #002776;
  --primary-light: #eef3ff;
  --accent: #0047d4;
  --accent-dark: #0035a0;
  --dark: #001845;
  --text: #1a2a4a;
  --text-light: #4a5f8a;
  --white: #ffffff;
  --gray-100: #f5f8ff;
  --gray-200: #e2e8f5;
  --shadow: 0 4px 20px rgba(0, 24, 69, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 24, 69, 0.18);
  --radius: 12px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 71, 212, 0.35);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 71, 212, 0.45);
}

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

.btn-secondary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
}

.logo-icon {
  font-size: 1.6rem;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

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

.header-cta {
  background: var(--accent);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.header-cta:hover {
  background: var(--accent-dark);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 24, 69, 0.82) 0%, rgba(0, 39, 118, 0.65) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  color: var(--white);
  padding: 80px 24px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  margin-bottom: 32px;
  opacity: 0.95;
}

.hero-note {
  margin-top: 24px;
  font-size: 1rem;
  opacity: 0.85;
  max-width: 520px;
}

/* Features */
.features {
  padding: 80px 0;
  background: var(--gray-100);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-card.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.feature-card.highlight .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: none;
}

.feature-card.highlight .btn-primary:hover {
  background: var(--gray-100);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-light);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.feature-card.highlight p {
  color: rgba(255, 255, 255, 0.85);
}

/* Why Book */
.why-book {
  position: relative;
  padding: 100px 0;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.why-book-bg {
  position: absolute;
  inset: 0;
}

.why-book-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-book-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0, 24, 69, 0.92) 0%, rgba(0, 39, 118, 0.72) 100%);
}

.why-book-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  text-align: center;
}

.why-book-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 48px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.why-item {
  padding: 24px;
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.why-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
}

/* Airlines */
.airlines {
  padding: 100px 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.airlines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.airline-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  background: var(--white);
}

.airline-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.airline-img {
  height: 220px;
  overflow: hidden;
}

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

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

.airline-info {
  padding: 24px;
  text-align: center;
}

.airline-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}

.airlines-more {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
}

.airlines-cta-text {
  text-align: center;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* Experiences */
.experiences {
  padding: 100px 0;
  background: var(--primary-light);
}

.experiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.experience-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.experience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.experience-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.experience-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.experience-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Book Online */
.book-online {
  position: relative;
  padding: 100px 0;
  min-height: 450px;
  display: flex;
  align-items: center;
}

.book-online-bg {
  position: absolute;
  inset: 0;
}

.book-online-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-online-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, rgba(0, 24, 69, 0.9) 0%, rgba(0, 39, 118, 0.78) 100%);
}

.book-online-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 680px;
  margin-left: auto;
  text-align: right;
}

.book-online-content h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.book-subtitle {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.book-online-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.book-online-content p {
  opacity: 0.85;
  margin-bottom: 32px;
}

/* Tourism Banner */
.tourism-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.tourism-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--white);
}

.tourism-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.tourism-text p {
  opacity: 0.9;
  max-width: 600px;
}

.tourism-banner .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: none;
  flex-shrink: 0;
}

.tourism-banner .btn-primary:hover {
  background: var(--gray-100);
}

/* Footer */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-contact p {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.footer-phone {
  display: inline-block;
  margin-top: 12px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition);
}

.footer-phone:hover {
  color: var(--white);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.6;
}

/* Floating Call Button */
.floating-call {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 6px 25px rgba(0, 71, 212, 0.45);
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.floating-call:hover {
  background: var(--accent-dark);
  transform: scale(1.05);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 25px rgba(0, 71, 212, 0.45); }
  50% { box-shadow: 0 6px 35px rgba(0, 71, 212, 0.65); }
}

/* Responsive */
@media (max-width: 992px) {
  .features-grid,
  .why-grid,
  .airlines-grid,
  .experiences-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .why-grid {
    margin-bottom: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tourism-inner {
    flex-direction: column;
    text-align: center;
  }

  .book-online-content {
    text-align: center;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding: 60px 24px;
  }

  .features,
  .airlines,
  .experiences {
    padding: 60px 0;
  }

  .why-book,
  .book-online {
    padding: 60px 0;
  }

  .floating-call span {
    display: none;
  }

  .floating-call {
    padding: 16px;
    border-radius: 50%;
  }
}