/* 
    Destination Japan - External Stylesheet
    Color Rules: Text (Analogous Slate), Background/Foreground (Complementary Red & Teal)
*/

/* MODULE 6 MASTERY ASSESSMENT - CSS MODIFICATIONS */

:root {
  --color-text-main: #2B303A;
  --color-text-heading: #1A1D24;
  --color-text-muted: #4A5263;
  --color-bg-main: #F8F9FA;
  --color-bg-card: #FFFFFF;
  --color-brand-red: #BC002D;
  --color-brand-teal: #004B49;
  --color-teal-light: #E8F1F0;
  --color-border: #D1D5DB;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

h1, h2, h3, h4 {
  color: var(--color-text-heading);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }

p {
  margin-bottom: 1rem;
}

/*REQUIREMENT 4: COMMENTED OUT HEADER DECLARATION
(Replaced by W3.CSS classes: w3-container w3-dark-grey w3-padding-16)*/

/* Header & Navigation Layout */
/* .site-header {
  background-color: var(--color-bg-card);
  border-bottom: 3px solid var(--color-brand-red);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
} */

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-heading);
  text-decoration: none;
  letter-spacing: 1px;
}

/* REQUIREMENT 6: COMMENTED OUT NAVBAR DECLARATION
   (Replaced by W3.CSS Collapsible Sidebar Navigation: #mySidebar) */

.logo span {
  color: var(--color-brand-red);
}

/* .main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
} */

/* .main-nav a {
  text-decoration: none;
  color: var(--color-text-main);
  font-weight: 600;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
} */

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-brand-red);
  border-bottom: 2px solid var(--color-brand-red);
}

/* Hero Component - Unscaled Static Background */
.hero-section {
  background-color: #1A1D24;
  background-image: linear-gradient(rgba(26, 29, 36, 0.65), rgba(26, 29, 36, 0.65)), url('../images/hero-japan.jpg');
  background-position: center center;
  background-repeat: no-repeat;
  /* Fixed size prevents scaling and stretching */
  background-size: auto;
  color: #FFFFFF;
  padding: 6rem 0;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-overlay {
  width: 100%;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto 2rem auto;
  color: #F8F9FA;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
}

.btn-primary {
  background-color: var(--color-brand-red);
  color: #FFFFFF;
  border: 2px solid var(--color-brand-red);
}

.btn-primary:hover {
  background-color: #900022;
  border-color: #900022;
}

/* Section Layouts */
.section-padding {
  padding: 4rem 0;
}

.bg-light {
  background-color: var(--color-teal-light);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

/* Grids */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2-col {
  grid-template-columns: 2fr 1fr;
}

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

/* Callout Box Component */
.callout-card {
  background-color: var(--color-brand-teal);
  color: #FFFFFF;
  padding: 2rem;
  border-radius: 8px;
}

.callout-card h3 {
  color: #FFFFFF;
  border-bottom: 2px solid var(--color-brand-red);
  padding-bottom: 0.5rem;
}

.callout-card ul {
  list-style: none;
}

.callout-card li {
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

/* Card Components - Unscaled Centered Container */
.card {
  background-color: var(--color-bg-card);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.card-image-wrap {
  width: 100%;
  height: 350px;
  overflow: hidden;
  position: relative;
  background-color: #1A1D24;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Image stays strictly at 1:1 original physical dimensions */
.card-image-wrap img {
  display: block;
  width: 600px;
  height: 400px;
  min-width: 600px;
  min-height: 400px;
  max-width: none;
  max-height: none;
  flex-shrink: 0;
}

.card-body {
  padding: 1.5rem;
}

/* Responsive Table Container Fix */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin-top: 1rem;
}

.itinerary-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  background-color: var(--color-bg-card);
}

.itinerary-table th,
.itinerary-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.itinerary-table th {
  background-color: var(--color-brand-teal);
  color: #FFFFFF;
  white-space: nowrap;
}

/* REQUIREMENT 5: COMMENTED OUT FOOTER DECLARATION
   (Replaced by W3.CSS classes: w3-container w3-dark-grey w3-padding-16 w3-center) */

/* Footer Components */
/* .site-footer {
  background-color: var(--color-text-heading);
  color: #FFFFFF;
  padding-top: 3rem;
} */

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-logo span {
  color: var(--color-brand-red);
}

.footer-links h3 {
  color: #FFFFFF;
}

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

.footer-links a {
  color: #D1D5DB;
  text-decoration: none;
}

.footer-bottom {
  background-color: #0F1115;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.875rem;
  color: #9CA3AF;
}

/* Breakpoints */
@media (max-width: 900px) {
  .grid-2-col,
  .grid-3-col {
    grid-template-columns: 1fr;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 600px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .main-nav ul {
    gap: 1rem;
  }
  
  .section-padding {
    padding: 2.5rem 0;
  }
}