/* ================================================================
   Yooper Postcard Company - Vintage Postcard Theme
   Upper Peninsula Michigan Aesthetic
   ================================================================ */

/* ----------------------------------------------------------------
   CSS Custom Properties - Vintage Postcard Colors
   ---------------------------------------------------------------- */
:root {
  /* Vintage Postcard Color Palette */
  --color-vintage-cream: #f5ead6;
  --color-vintage-tan: #d4ba8e;
  --color-vintage-brown: #8b6f47;
  --color-vintage-red: #c43b2c;
  --color-vintage-red-dark: #9a2f23;
  --color-vintage-blue: #4a6b7c;
  --color-vintage-green: #5a7a4d;
  --color-forest-green: #2d4a2e;
  --color-pine-dark: #1a2e1a;

  /* Text Colors */
  --color-text-primary: #2c1810;
  --color-text-secondary: #5a4a3a;
  --color-text-light: #f5ead6;

  /* Background Colors */
  --color-bg-wood: #3d2817;
  --color-bg-paper: #f5ead6;
  --color-bg-postcard: #ebe1c7;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Typography */
  --font-postcard: 'Courier New', 'Courier', monospace;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Arial', 'Helvetica', sans-serif;

  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;

  /* Effects */
  --transition: 300ms ease;
  --shadow-postcard: 0 4px 8px rgba(0, 0, 0, 0.3), 0 0 2px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.4), 0 0 4px rgba(0, 0, 0, 0.3);

  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-text-primary);
  background:
    linear-gradient(rgba(61, 40, 23, 0.95), rgba(61, 40, 23, 0.95)),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect fill="%233d2817" width="100" height="100"/><path d="M0 0 L50 100 L100 0 Z" fill="%23331f12" opacity="0.1"/><path d="M0 100 L50 0 L100 100 Z" fill="%23472a1a" opacity="0.1"/></svg>');
  background-size: cover, 100px 100px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----------------------------------------------------------------
   Typography
   ---------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-vintage-tan);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Headings inside light-background cards */
.postcard-section h2,
.postcard-section h3,
.link-card h3,
.alert h2,
.alert h3 {
  color: var(--color-vintage-red);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.15);
}

h1 {
  font-size: var(--font-size-4xl);
  text-transform: uppercase;
  letter-spacing: 2px;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: 1px;
}

h3 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-vintage-red);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 600;
}

a:hover {
  color: var(--color-vintage-red-dark);
  text-decoration: underline;
}

/* ----------------------------------------------------------------
   Layout
   ---------------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* ----------------------------------------------------------------
   Header - Rustic Wood & Postcard Style
   ---------------------------------------------------------------- */
.site-header {
  background:
    linear-gradient(180deg, rgba(45, 30, 18, 0.95) 0%, rgba(61, 40, 23, 0.98) 100%),
    repeating-linear-gradient(90deg, #3d2817 0px, #442d1b 2px, #3d2817 4px);
  border-bottom: 4px solid var(--color-vintage-tan);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.logo {
  max-width: 300px;
  height: auto;
}

.nav {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.nav-link {
  color: var(--color-vintage-cream);
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  background-color: rgba(196, 59, 44, 0.3);
  color: var(--color-vintage-tan);
  text-decoration: none;
  transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   Hero Section - Postcard Banner
   ---------------------------------------------------------------- */
.hero {
  text-align: center;
  padding: var(--space-xl) 0;
  background:
    linear-gradient(135deg, rgba(212, 186, 142, 0.1) 0%, rgba(139, 111, 71, 0.1) 100%);
}

.hero-banner {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto var(--space-xl);
  box-shadow: var(--shadow-postcard);
  border: 8px solid var(--color-vintage-cream);
  border-radius: var(--radius-md);
}

.hero-title {
  color: var(--color-vintage-tan);
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
  color: var(--color-vintage-cream);
  font-size: var(--font-size-xl);
  font-style: italic;
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

/* ----------------------------------------------------------------
   Postcard Content Area
   ---------------------------------------------------------------- */
.postcard-section {
  background: var(--color-bg-postcard);
  border: 2px solid var(--color-vintage-brown);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-postcard);
  position: relative;
}

.postcard-section::before {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 60px;
  height: 60px;
  background:
    repeating-linear-gradient(45deg,
      var(--color-vintage-red) 0px,
      var(--color-vintage-red) 5px,
      var(--color-vintage-cream) 5px,
      var(--color-vintage-cream) 10px);
  border: 2px solid var(--color-vintage-brown);
  opacity: 0.7;
  transform: rotate(15deg);
}

.postcard-section::after {
  content: 'AIR MAIL';
  position: absolute;
  top: 20px;
  right: 80px;
  font-family: var(--font-postcard);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-vintage-red);
  opacity: 0.5;
  transform: rotate(-5deg);
  letter-spacing: 3px;
}

/* ----------------------------------------------------------------
   Alert/Info Box - Postcard Style
   ---------------------------------------------------------------- */
.alert {
  background: var(--color-vintage-cream);
  border-left: 6px solid var(--color-vintage-red);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-postcard);
  border-radius: var(--radius-sm);
}

.alert h2 {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-xl);
}

/* ----------------------------------------------------------------
   Button Styles - Vintage Look
   ---------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  background: var(--color-vintage-red);
  border: 3px solid var(--color-vintage-brown);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-postcard);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn:hover {
  background: var(--color-vintage-red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}

.btn:hover::before {
  left: 100%;
}

.btn-secondary {
  background: var(--color-vintage-blue);
  border-color: var(--color-pine-dark);
}

.btn-secondary:hover {
  background: #3d5563;
}

/* ----------------------------------------------------------------
   Card Grid - Postcard Gallery Style
   ---------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.card {
  background: var(--color-vintage-cream);
  border: 4px solid var(--color-vintage-brown);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-postcard);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background:
    repeating-linear-gradient(90deg,
      var(--color-vintage-red) 0px,
      var(--color-vintage-red) 20px,
      var(--color-vintage-blue) 20px,
      var(--color-vintage-blue) 40px);
  opacity: 0.5;
}

.card:hover {
  transform: translateY(-4px) rotate(1deg);
  box-shadow: var(--shadow-hover);
}

.card h3 {
  margin-top: var(--space-sm);
  font-size: var(--font-size-xl);
}

/* ----------------------------------------------------------------
   Links Section
   ---------------------------------------------------------------- */
.links-section {
  margin: var(--space-2xl) 0;
}

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

.link-card {
  background: var(--color-vintage-cream);
  border: 3px solid var(--color-vintage-brown);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
}

.link-card:hover {
  background: var(--color-vintage-tan);
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

.link-card a {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
}

/* ----------------------------------------------------------------
   Footer - Pine Forest Theme
   ---------------------------------------------------------------- */
.site-footer {
  background:
    linear-gradient(180deg, var(--color-pine-dark) 0%, var(--color-forest-green) 100%);
  border-top: 4px solid var(--color-vintage-tan);
  color: var(--color-vintage-cream);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: auto;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  height: 30px;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 40px,
      var(--color-forest-green) 40px,
      var(--color-forest-green) 45px,
      transparent 45px,
      transparent 50px
    ),
    repeating-linear-gradient(
      0deg,
      var(--color-forest-green) 0px,
      var(--color-pine-dark) 15px,
      var(--color-forest-green) 30px
    );
  clip-path: polygon(0 100%, 5% 0, 10% 100%, 15% 0, 20% 100%, 25% 0, 30% 100%, 35% 0, 40% 100%, 45% 0, 50% 100%, 55% 0, 60% 100%, 65% 0, 70% 100%, 75% 0, 80% 100%, 85% 0, 90% 100%, 95% 0, 100% 100%);
}

.footer-content {
  text-align: center;
}

.footer-content p {
  color: var(--color-vintage-cream);
  margin-bottom: var(--space-sm);
}

.footer-content a {
  color: var(--color-vintage-tan);
}

.footer-content a:hover {
  color: var(--color-vintage-cream);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--font-size-lg);
  margin: var(--space-md) 0;
  color: var(--color-vintage-tan);
}

/* ----------------------------------------------------------------
   Responsive Design
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --space-2xl: 2rem;
  }

  .header-content {
    flex-direction: column;
    text-align: center;
  }

  .nav {
    justify-content: center;
    width: 100%;
  }

  .postcard-section {
    padding: var(--space-md);
  }

  .postcard-section::before,
  .postcard-section::after {
    display: none;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ----------------------------------------------------------------
   Utility Classes
   ---------------------------------------------------------------- */
.text-center {
  text-align: center;
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mt-xl {
  margin-top: var(--space-xl);
}

/* Pine Tree Decoration */
.pine-decoration {
  text-align: center;
  color: var(--color-vintage-green);
  font-size: 2rem;
  margin: var(--space-lg) 0;
  opacity: 0.7;
}

/* ----------------------------------------------------------------
   Active Nav Link
   ---------------------------------------------------------------- */
.nav-link.active {
  background-color: rgba(196, 59, 44, 0.3);
  color: var(--color-vintage-tan);
}

/* ----------------------------------------------------------------
   Postcard Gallery Table
   ---------------------------------------------------------------- */
.postcard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 12px;
  margin: var(--space-xl) 0;
}

.postcard-item {
  text-align: center;
  background: #fff;
  border: 3px solid var(--color-vintage-brown);
  border-radius: var(--radius-sm);
  padding: 6px 6px 10px;
  box-shadow: var(--shadow-postcard);
  transition: var(--transition);
  width: 20%;
  vertical-align: top;
}

.postcard-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-vintage-red);
}

.postcard-item a {
  display: block;
  text-decoration: none;
}

.postcard-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

.postcard-name {
  display: block;
  margin-top: 6px;
  color: #000 !important;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.out-of-print {
  display: inline-block;
  background: var(--color-vintage-red);
  color: var(--color-text-light);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 6px;
  border-radius: 2px;
  margin-top: 2px;
  text-transform: uppercase;
}

/* ----------------------------------------------------------------
   Locations Grid
   ---------------------------------------------------------------- */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.location-card {
  background: #fff;
  border: 2px solid var(--color-vintage-brown);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-postcard);
}

.location-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #8b0000 !important;
  text-shadow: none !important;
  margin-bottom: var(--space-xs);
  border-bottom: 2px solid #c8a870;
  padding-bottom: var(--space-xs);
}

.location-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.location-card li {
  color: #222 !important;
  font-size: var(--font-size-sm);
  padding: 3px 0;
}

@media (max-width: 768px) {
  .postcard-table {
    border-spacing: 6px;
  }

  .postcard-table .postcard-item {
    padding: 4px 4px 8px;
  }

  .locations-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .postcard-table {
    border-spacing: 4px;
  }

  .locations-grid {
    grid-template-columns: 1fr;
  }
}