/* ============================================
   Amour Cruise - Main Stylesheet
   Design: Luxury editorial, ocean-inspired
   ============================================ */

/* Design Tokens */
:root {
  /* Colors - Ocean luxury palette */
  --color-primary: #0d6e94;        /* Deep ocean blue */
  --color-primary-dark: #063f5c;
  --color-accent: #d4a373;         /* Sky wave */
  --color-accent-light: #e8c89f;
  --color-sand: #eef4f8;
  --color-cream: #f0f7fb;
  --color-dark: #0a1f2e;
  --color-text: #243845;
  --color-muted: #6b8597;
  --color-white: #ffffff;
  --color-border: #dde7ed;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Cormorant Garamond', Georgia, serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width: 1280px;
  --header-height: 80px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(10, 110, 159, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 110, 159, 0.1);
  --shadow-lg: 0 20px 60px rgba(10, 110, 159, 0.15);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: 1.25rem; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.script {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: all 0.4s var(--ease-out);
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-gold:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

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

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

/* Sections */
section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* Decorative divider */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: var(--space-sm) 0;
}

.divider::before,
.divider::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Utility */
.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.bg-sand { background: var(--color-sand); }
.bg-cream { background: var(--color-cream); }
.bg-primary { background: var(--color-primary); color: var(--color-white); }

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

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

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-sand);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 5px;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 60px;      /* Điều chỉnh chiều cao theo ý muốn */
  width: auto;
  object-fit: contain;
}

/* Responsive - mobile */
@media (max-width: 768px) {
  .logo-img {
    height: 44px;
  }
}