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

/* CSS Variables for upscale serious fitness brand theme */
:root {
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  /* Serious Fitness Brand - Dark Carbon / Active Orange-Coral */
  --bg-primary: #0a0a0c;      /* Pure Charcoal/Midnight */
  --bg-secondary: #121216;    /* Matte Deep Carbon */
  --bg-tertiary: #1a1a22;     /* Exposed Slate Gray */
  --text-primary: #f4f4f7;    /* White-Smoke/Silver Platinum */
  --text-secondary: #a1a1aa;  /* Muted Slate Gray */
  --text-muted: #71717a;      /* Cool Gray Muted */
  
  --accent: #ff4f1a;          /* High-Performance Coral Orange */
  --accent-hover: #ff6a39;    /* Bright active orange */
  --accent-gradient: linear-gradient(135deg, #ff6b00 0%, #ff0055 100%); /* Neon Orange to Laser Pink */
  --accent-soft: rgba(255, 79, 26, 0.1);
  
  --border-color: #27272a;    /* Carbon dark borders */
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  --card-hover-shadow: 0 16px 32px rgba(255, 79, 26, 0.15), 0 8px 16px rgba(0, 0, 0, 0.6);
  --glass-bg: rgba(18, 18, 22, 0.8);
  --glass-border: rgba(39, 39, 42, 0.8);
  
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Light Theme version - High-contrast premium workout mode */
[data-theme="light"] {
  --bg-primary: #f4f4f5;      /* Crisp platinum light background */
  --bg-secondary: #ffffff;    /* Pure White */
  --bg-tertiary: #e4e4e7;     /* Light Grey */
  --text-primary: #09090b;    /* Carbon Black */
  --text-secondary: #27272a;  /* Matte Dark Grey */
  --text-muted: #71717a;      /* Cool Grey */
  
  --accent: #e03e1a;          /* High-Contrast Cardio Red-Orange */
  --accent-hover: #ff4f1a;
  --accent-gradient: linear-gradient(135deg, #e03e1a 0%, #c0003c 100%);
  --accent-soft: rgba(224, 62, 26, 0.08);
  
  --border-color: #d4d4d8;
  --card-shadow: 0 4px 6px rgba(9, 9, 11, 0.05), 0 1px 3px rgba(9, 9, 11, 0.1);
  --card-hover-shadow: 0 20px 25px rgba(9, 9, 11, 0.1), 0 10px 10px rgba(9, 9, 11, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(212, 212, 216, 0.8);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  transition: background-color 0.4s ease, color 0.2s ease;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Layout */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.1rem 2rem;
  transition: var(--transition);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.logo svg {
  transition: transform 0.3s ease;
}

.logo:hover svg {
  transform: scale(1.15) rotate(-5deg);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background-color: var(--accent-soft);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.55rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent);
  border-color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Banner */
.hero-section {
  position: relative;
  height: 480px;
  background: linear-gradient(rgba(10, 10, 12, 0.45), rgba(10, 10, 12, 0.92)), url('/assets/images/treadmill_mountain_hero.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  padding: 2rem;
  border-bottom: 2px solid var(--border-color);
}

.hero-content {
  max-width: 900px;
  z-index: 2;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  letter-spacing: 0.02em;
}

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

/* Main Container */
.main-container {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
  min-height: 60vh;
}

/* Search and Filters Section */
.search-filter-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 14px;
  margin-bottom: 3.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.search-box {
  position: relative;
  display: flex;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3.2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 1.4rem;
  height: 1.4rem;
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.filter-label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-right: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-tag {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.filter-tag:hover, .filter-tag.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 79, 26, 0.25);
}

/* Post Cards Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
  transition: var(--transition);
}

.post-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--accent);
}

.post-card-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.post-card-category {
  background-color: var(--accent-soft);
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.post-card-title {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 0.9rem;
  line-height: 1.25;
}

.post-card-title a {
  color: var(--text-primary);
}

.post-card-title a:hover {
  color: var(--accent);
}

.post-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1.2rem;
  margin-top: auto;
}

.read-more-link {
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.read-more-link svg {
  transition: transform 0.2s ease;
}

.read-more-link:hover svg {
  transform: translateX(4px);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 4rem;
}

.page-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.page-btn:hover, .page-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(255, 79, 26, 0.2);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Singular Post Layout */
.post-header {
  margin-bottom: 3.5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 4rem auto;
}

.post-title-main {
  font-size: 3.2rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.post-meta-details {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 1.2rem;
  font-weight: 600;
}

.category-badges-container {
  display: flex;
  gap: 0.5rem;
}

.category-badge {
  background-color: var(--accent-soft);
  color: var(--accent);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.post-tags {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.tag-link {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.tag-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.post-container {
  max-width: 850px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 4rem;
  box-shadow: var(--card-shadow);
}

/* Article inner contents styles */
.entry-content p {
  margin-bottom: 1.8rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.entry-content h2 {
  margin: 3.5rem 0 1.5rem 0;
  font-size: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
  text-transform: uppercase;
}

.entry-content h3 {
  margin: 2.8rem 0 1.2rem 0;
  font-size: 1.55rem;
  text-transform: uppercase;
}

.entry-content ul, .entry-content ol {
  margin-bottom: 1.8rem;
  padding-left: 2.5rem;
  color: var(--text-secondary);
}

.entry-content li {
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
}

.entry-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 1rem 1.8rem;
  margin: 2rem 0;
  font-style: italic;
  background-color: var(--bg-primary);
  border-radius: 0 10px 10px 0;
}

.entry-content blockquote p {
  margin-bottom: 0;
}

.entry-content figure {
  margin: 2.5rem 0;
  max-width: 100%;
}

.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  display: block;
  margin: 0 auto;
}

.wp-caption {
  text-align: center;
  max-width: 100%;
  border: 1px solid var(--border-color);
  padding: 0.8rem;
  background-color: var(--bg-primary);
  border-radius: 10px;
  margin: 2.5rem auto;
}

.wp-caption-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
  font-style: italic;
}

/* Custom CSS Video Carousel Styles */
.video-section {
  max-width: 900px;
  margin: 0 auto;
}

.video-player-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 2px solid var(--border-color);
  box-shadow: var(--card-hover-shadow);
  margin-bottom: 2.5rem;
}

.video-player-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.carousel-outer {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel-viewport {
  overflow-x: auto;
  scroll-behavior: smooth;
  display: flex;
  gap: 1.25rem;
  padding: 1rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-secondary);
}

.carousel-viewport::-webkit-scrollbar {
  height: 6px;
}

.carousel-viewport::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.carousel-viewport::-webkit-scrollbar-thumb {
  background-color: var(--accent);
  border-radius: 3px;
}

.carousel-card {
  flex: 0 0 260px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.carousel-card:hover, .carousel-card.active {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 16px rgba(255, 79, 26, 0.1);
}

.carousel-card.active {
  background-color: var(--accent-soft);
}

.carousel-card-thumb {
  position: relative;
  width: 100%;
  height: 146px;
  background-size: cover;
  background-position: center;
}

.play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 12, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: var(--transition);
}

.carousel-card:hover .play-overlay {
  background: rgba(10, 10, 12, 0.2);
  opacity: 1;
}

.play-icon {
  width: 3rem;
  height: 3rem;
  color: var(--accent);
  fill: currentColor;
}

.carousel-card-title {
  padding: 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.carousel-nav-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.carousel-nav-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background-color: var(--bg-tertiary);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem;
  margin-top: 6rem;
  text-align: center;
  transition: var(--transition);
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  list-style: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.footer-links a {
  color: var(--text-secondary);
}

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

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 65px;
    right: -100%;
    width: 260px;
    height: calc(100vh - 65px);
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    align-items: flex-start;
    transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    gap: 1rem;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-link {
    width: 100%;
  }
  
  .hero-section {
    height: 380px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .post-title-main {
    font-size: 2.2rem;
  }
  
  .post-container {
    padding: 2rem 1.5rem;
  }
  
  .post-meta-details {
    flex-direction: column;
    gap: 0.6rem;
  }
}