/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --color-primary: #8b4b6b; /* Muted rose */
  --color-secondary: #6b2c3e; /* Deep burgundy */
  --color-accent: #d4a574; /* Champagne beige */
  --color-neutral: #4a4a4a; /* Soft charcoal */
  --color-gold: #b8860b; /* Occasional gold */
  --color-blush: #e8c5c5; /* Blush accent */
  --color-white: #fefefe;
  --color-light-gray: #f8f6f4;
  --color-medium-gray: #e5e1dd;

  /* Typography */
  --font-serif: "DM Serif Display", serif;
  --font-sans: "Inter", sans-serif;

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

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-neutral);
  background-color: var(--color-white);
  font-size: 16px;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 2rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}
h6 {
  font-size: 1.125rem;
}

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

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

a:hover {
  color: var(--color-secondary);
}

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-secondary);
  font-weight: 400;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--color-neutral);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-light-gray);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-secondary);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    var(--color-light-gray) 0%,
    var(--color-medium-gray) 100%
  );
  padding: calc(70px + var(--spacing-xxl)) 0 var(--spacing-xxl);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-neutral);
  margin-bottom: var(--spacing-xl);
  font-weight: 300;
}

/* Mood Filters */
.mood-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.mood-filter {
  background-color: var(--color-white);
  border: 2px solid var(--color-medium-gray);
  color: var(--color-neutral);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  font-size: 0.9rem;
  transform: scale(1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.mood-filter:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(139, 69, 19, 0.4);
  z-index: 1;
}

.mood-filter.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(139, 69, 19, 0.4);
  z-index: 2;
}

/* Articles Section */
.articles-section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-secondary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 200px;
  align-items: start;
}

.article-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0);
  height: 400px;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.article-card.hidden {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  display: none !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.article-tag {
  background-color: var(--color-blush);
  color: var(--color-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 500;
}

.article-date {
  color: var(--color-neutral);
  font-size: 0.9rem;
  opacity: 0.8;
}

.article-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.article-excerpt {
  color: var(--color-neutral);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  flex-grow: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  margin-top: auto;
}

.read-more:hover {
  color: var(--color-secondary);
  transform: translateX(5px);
}

.read-more::after {
  content: "→";
  margin-left: var(--spacing-xs);
  transition: var(--transition);
}

/* Loading indicator for filtering */
.filtering-indicator {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--color-neutral);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.filtering-indicator.active {
  opacity: 1;
}

/* About Section */
.about-section {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xxl) 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-neutral);
}

/* Footer */
.footer {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-family: var(--font-serif);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-message {
  font-style: italic;
  opacity: 0.9;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-white);
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .article-card {
    height: 380px;
  }

  .article-tag {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
  }

  .mood-filters {
    flex-direction: column;
    align-items: center;
  }

  .mood-filter {
    width: 100%;
    max-width: 250px;
    text-align: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

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

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

  .article-card {
    margin: 0 var(--spacing-sm);
    height: 360px;
  }
  
  .article-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
  }
  
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .article-date {
    font-size: 0.8rem;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.article-card.fade-in {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.slide-in {
  animation: slideIn 0.8s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.nav-link:focus,
.mood-filter:focus,
.read-more:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .mood-filters {
    display: none;
  }

  .hero {
    padding: var(--spacing-md) 0;
  }

  .article-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-medium-gray);
  }
}