/* ===================================
   EL DIBULGADOR - Modern Newspaper Styles
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800;900&family=Merriweather:wght@300;400;700;900&family=Inter:wght@300;400;500;600;700&family=Lora:wght@400;500;600;700&display=swap');

/* CSS Variables for Theme */
:root {
  /* Colors */
  --color-primary: #c41e3a;
  --color-primary-dark: #9a1829;
  --color-primary-light: #e63950;
  --color-secondary: #1a1a1a;
  --color-accent-gold: #d4af37;
  --color-accent-gold-dark: #8b7500;
  
  /* Grays */
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  
  /* Section Colors */
  --color-nacional: #b91c1c;
  --color-internacional: #dc2626;
  --color-economia: #047857;
  --color-deportes: #3b82f6;
  --color-cultura: #6d28d9;
  
  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Lora', Georgia, serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* ===================================
   Base Styles & Reset
   =================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  overflow-x: hidden;
}

/* ===================================
   Typography Utilities
   =================================== */

.heading-display {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-serif {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
}

.text-sans {
  font-family: var(--font-sans);
}

.text-serif {
  font-family: var(--font-serif);
}

/* ===================================
   Header Styles
   =================================== */

.site-header {
  background: white;
  border-bottom: 6px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-lg);
}

.header-stripe {
  background: linear-gradient(90deg, var(--color-accent-gold) 0%, var(--color-accent-gold-dark) 100%);
  height: 4px;
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
}

.header-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.site-logo {
  text-align: center;
}

.site-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-gray-900);
  margin: 0;
  text-transform: uppercase;
}

.site-title .highlight {
  color: var(--color-primary);
}

.site-tagline {
  font-family: var(--font-sans);
  font-size: clamp(0.625rem, 1.2vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-gray-600);
  margin-top: 0.25rem;
  text-transform: uppercase;
}

.header-date-wrapper {
  text-align: center;
}

.header-date {
  font-family: var(--font-sans);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===================================
   Navigation Styles
   =================================== */

.main-nav {
  border-top: 1px solid var(--color-gray-200);
  padding: var(--spacing-sm) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-menu {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(0.75rem, 2.5vw, 1.5rem);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: clamp(0.7rem, 1.3vw, 0.8rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-gray-700);
  padding: 0.4rem var(--spacing-sm);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 700;
}

/* ===================================
   Main Content Area
   =================================== */

.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-md);
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-gray-900);
  margin: 0 0 var(--spacing-xl) 0;
  padding-bottom: var(--spacing-md);
  border-bottom: 4px solid;
  position: relative;
  letter-spacing: -0.02em;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--color-accent-gold);
}

.section-header.seccion-nacional {
  border-bottom-color: var(--color-nacional);
}

.section-header.seccion-internacional {
  border-bottom-color: var(--color-internacional);
}

.section-header.seccion-economia {
  border-bottom-color: var(--color-economia);
}

.section-header.seccion-deportes {
  border-bottom-color: var(--color-deportes);
}

.section-header.seccion-cultura {
  border-bottom-color: var(--color-cultura);
}

/* ===================================
   Article Grid
   =================================== */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 350px), 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

/* ===================================
   Article Card Styles
   =================================== */

.article-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
  border-left: 4px solid var(--color-gray-300);
  position: relative;
}

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

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-primary);
  transition: height var(--transition-base);
}

.article-card:hover::before {
  height: 100%;
}

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

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-gray-900);
}

.article-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline;
  background-image: linear-gradient(transparent calc(100% - 2px), var(--color-primary) 2px);
  background-repeat: no-repeat;
  background-size: 0% 100%;
  transition: background-size var(--transition-base);
}

.article-title a:hover {
  color: var(--color-primary);
  background-size: 100% 100%;
}

.article-meta {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.article-meta i {
  font-size: 0.75rem;
}

.article-excerpt {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-700);
  margin: 0;
  flex: 1;
}

/* Category Indicators */
.article-card.categoria-nacional {
  border-left-color: var(--color-nacional);
}

.article-card.categoria-internacional {
  border-left-color: var(--color-internacional);
}

.article-card.categoria-economia {
  border-left-color: var(--color-economia);
}

.article-card.categoria-deportes {
  border-left-color: var(--color-deportes);
}

.article-card.categoria-cultura {
  border-left-color: var(--color-cultura);
}

/* ===================================
   Footer Styles
   =================================== */

.site-footer {
  background: linear-gradient(135deg, var(--color-gray-900) 0%, #0a0a0a 100%);
  color: var(--color-gray-300);
  padding: var(--spacing-3xl) var(--spacing-md) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-gold) 50%, var(--color-primary) 100%);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, white 0%, var(--color-gray-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.footer-section h4 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
}

.footer-section p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-400);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: 0;
  transition: padding-left var(--transition-fast);
}

.footer-links li::before {
  content: '›';
  position: absolute;
  left: -20px;
  color: var(--color-primary);
  font-weight: bold;
  opacity: 0;
  transition: all var(--transition-fast);
}

.footer-links li:hover::before {
  opacity: 1;
  left: 0;
}

.footer-links li:hover {
  padding-left: 20px;
}

.footer-links a {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  display: inline-block;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-bottom p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin: 0;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet */
@media (min-width: 768px) {
  .header-top {
    flex-direction: row;
  }
  
  .site-logo {
    text-align: left;
  }
  
  .header-date-wrapper {
    text-align: right;
  }
  
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .header-content {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
  }
  
  .main-content {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
  
  .nav-menu {
    gap: var(--spacing-lg);
  }
  
  .nav-link {
    font-size: 0.8rem;
  }
}

/* Large Desktop */
@media (min-width: 1280px) {
  .articles-grid {
    gap: var(--spacing-2xl);
  }
}

/* ===================================
   Utility Classes
   =================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ===================================
   Animations
   =================================== */

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

.fade-in {
  animation-name: fadeIn;
  animation-duration: 500ms;
  animation-timing-function: ease-out;
  animation-fill-mode: forwards;
}

/* ===================================
   Print Styles
   =================================== */

@media print {
  .site-header,
  .main-nav,
  .site-footer {
    display: none;
  }
  
  .article-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
  
  .article-title a {
    color: var(--color-gray-900);
    text-decoration: none;
  }
}

/* ===================================
   Accessibility
   =================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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