/* HOOP ELITE - Premium Basketball Training Design System */
/* Version 2.0 - Disruptive Sports Aesthetic */

:root {
  /* Core Colors */
  --primary: #FF4500;
  --primary-dark: #CC3700;
  --primary-light: #FF6B33;
  --secondary: #1a1a2e;
  --accent: #FFD700;
  --accent-light: #FFE44D;
  
  /* Background Colors */
  --bg-primary: #0d0d14;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  
  /* Text Colors */
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0d0d14 0%, #1a1a2e 50%, #0d0d14 100%);
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-gold: linear-gradient(135deg, var(--accent) 0%, #FFA500 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
  
  /* Effects */
  --glow-primary: 0 0 30px rgba(255, 69, 0, 0.3);
  --glow-gold: 0 0 20px rgba(255, 215, 0, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 20px 50px rgba(255, 69, 0, 0.25);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-primary: rgba(255, 69, 0, 0.5);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Z-Index */
  --z-header: 1000;
  --z-overlay: 2000;
  --z-modal: 3000;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

a:hover {
  color: var(--primary-light);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(13, 13, 20, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-header);
  padding: 0 var(--space-lg);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--glow-primary);
}

.logo span {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-xs) 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

nav a i {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

nav a:hover i,
nav a.active i {
  opacity: 1;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
  border-radius: 2px;
}

nav a:hover,
nav a.active {
  color: var(--text-primary);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 10px;
  z-index: calc(var(--z-header) + 10);
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

@media (max-width: 1024px) {
  .menu-toggle {
    display: flex;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    transition: var(--transition-slow);
    border-left: 1px solid var(--border-subtle);
  }
  
  nav.active {
    right: 0;
  }
}

/* Main Content */
main {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 69, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge i {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-buttons .btn {
  padding: 16px 36px;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  font-family: var(--font-body);
}

.btn i {
  width: 20px;
  height: 20px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 69, 0, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  color: white;
}

.btn-secondary {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* Floating Basketball SVG */
.hero-ball {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  opacity: 0.05;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(-50%) rotate(0deg); }
  50% { transform: translateY(-55%) rotate(5deg); }
}

/* Stats Bar */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-xl) var(--space-lg);
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-md);
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: linear-gradient(180deg, transparent, var(--border-glass), transparent);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
}

/* Section Styling */
section {
  padding: var(--space-2xl) var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: var(--glow-primary);
}

.section-icon i {
  width: 30px;
  height: 30px;
  color: white;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.cards-grid-2 {
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

/* Card Base */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-base);
}

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

.card:hover::before {
  opacity: 1;
}

/* Tool Card */
.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tool-card-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(255, 69, 0, 0.15) 0%, rgba(255, 69, 0, 0.05) 100%);
  border: 1px solid rgba(255, 69, 0, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.tool-card:hover .tool-card-icon {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: var(--glow-primary);
}

.tool-card-icon i {
  width: 32px;
  height: 32px;
  color: var(--primary);
  transition: var(--transition-base);
}

.tool-card:hover .tool-card-icon i {
  color: white;
}

.tool-card h3 {
  font-size: 1.25rem;
  margin: 0;
  transition: var(--transition-base);
}

.tool-card:hover h3 {
  color: var(--primary);
}

.tool-card p {
  font-size: 0.95rem;
  margin: 0;
  flex-grow: 1;
}

.tool-card-meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

.tool-card-meta span {
  font-size: 0.8rem;
  padding: 4px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  color: var(--text-secondary);
}

.tool-card-meta .hot {
  background: rgba(255, 69, 0, 0.15);
  border-color: rgba(255, 69, 0, 0.3);
  color: var(--primary);
}

.tool-card-meta .new {
  background: rgba(255, 215, 0, 0.15);
  border-color: rgba(255, 215, 0, 0.3);
  color: var(--accent);
}

/* Article Card */
.article-card {
  position: relative;
  overflow: hidden;
}

.article-card-image {
  width: calc(100% + 3rem);
  margin: calc(var(--space-lg) * -1);
  margin-bottom: var(--space-md);
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.article-card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-card-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.article-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  transition: var(--transition-base);
}

.article-card:hover h3 {
  color: var(--primary);
}

.article-card p {
  font-size: 0.95rem;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.article-card-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Category Card */
.category-card {
  text-align: center;
  padding: var(--space-xl);
}

.category-card-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  transition: var(--transition-base);
}

.category-card:hover .category-card-icon {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: scale(1.1);
}

.category-card-icon i {
  width: 36px;
  height: 36px;
  color: var(--primary);
  transition: var(--transition-base);
}

.category-card:hover .category-card-icon i {
  color: white;
}

.category-card h3 {
  margin-bottom: var(--space-xs);
}

.category-card p {
  font-size: 0.9rem;
}

/* Glass Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

/* Feature Box */
.feature-box {
  text-align: center;
  padding: var(--space-xl);
}

.feature-box-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(255, 69, 0, 0.2) 0%, rgba(255, 69, 0, 0.05) 100%);
  border: 1px solid rgba(255, 69, 0, 0.3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.feature-box-icon i {
  width: 36px;
  height: 36px;
  color: var(--primary);
}

.feature-box h3 {
  margin-bottom: var(--space-sm);
}

/* Tool Page */
.tool-hero {
  background: var(--gradient-hero);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tool-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 69, 0, 0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.tool-hero-content {
  position: relative;
  z-index: 2;
}

.tool-hero-icon {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-hover);
}

.tool-hero-icon i {
  width: 50px;
  height: 50px;
  color: white;
}

.tool-hero h1 {
  margin-bottom: var(--space-sm);
}

.tool-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.tool-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .tool-content {
    grid-template-columns: 1fr;
  }
}

.tool-main {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.tool-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.sidebar-card h4 {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.sidebar-card h4 i {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.15);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
}

.form-checkbox:hover {
  background: rgba(255, 255, 255, 0.08);
}

.form-checkbox input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--primary);
  cursor: pointer;
}

.form-checkbox span {
  font-size: 0.95rem;
}

/* Results */
.result-box {
  background: var(--bg-primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
  display: none;
  animation: fadeInUp 0.5s ease-out;
}

.result-box.active {
  display: block;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.result-item:last-child {
  border-bottom: none;
}

.result-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.grade-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
}

.grade-excellent {
  background: rgba(76, 175, 80, 0.15);
  color: #4caf50;
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.grade-good {
  background: rgba(255, 215, 0, 0.15);
  color: var(--accent);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.grade-average {
  background: rgba(255, 152, 0, 0.15);
  color: #ff9800;
  border: 1px solid rgba(255, 152, 0, 0.3);
}

.grade-poor {
  background: rgba(244, 67, 54, 0.15);
  color: #f44336;
  border: 1px solid rgba(244, 67, 54, 0.3);
}

/* Timer Display */
.timer-display {
  text-align: center;
  font-size: 5rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  margin: var(--space-lg) 0;
  font-family: var(--font-display);
  text-shadow: var(--glow-primary);
}

.timer-controls {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb i {
  width: 14px;
  height: 14px;
}

/* Article Content */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.article-hero {
  position: relative;
  margin: calc(var(--space-xl) * -1);
  margin-bottom: var(--space-xl);
  height: 400px;
  overflow: hidden;
}

.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: linear-gradient(transparent, var(--bg-primary));
}

.article-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  z-index: 2;
}

.article-meta {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-meta i {
  width: 16px;
  height: 16px;
}

.article-content h2 {
  font-size: 1.8rem;
  margin: var(--space-xl) 0 var(--space-md);
  padding-left: var(--space-md);
  border-left: 4px solid var(--primary);
}

.article-content h3 {
  font-size: 1.4rem;
  margin: var(--space-lg) 0 var(--space-md);
}

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

.article-content ul,
.article-content ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-image-placeholder {
  width: 100%;
  height: 300px;
  background: 
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(var(--border-subtle) 1px, transparent 1px);
  background-size: 30px 30px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin: var(--space-lg) 0;
  border: 1px dashed var(--border-glass);
}

/* Related Section */
.related-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.related-section h3 {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.related-section h3 i {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.related-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: var(--transition-base);
}

.related-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.related-item small {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.footer-brand {
  padding-right: var(--space-xl);
}

.footer-brand .logo {
  justify-content: flex-start;
  margin-bottom: var(--space-md);
}

@media (max-width: 640px) {
  .footer-brand .logo {
    justify-content: center;
  }
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 300px;
}

@media (max-width: 640px) {
  .footer-brand p {
    max-width: 100%;
  }
}

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a i {
  width: 14px;
  height: 14px;
  opacity: 0.6;
  transition: var(--transition-base);
}

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

.footer-links a:hover i {
  opacity: 1;
}

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
}

.footer-social i {
  width: 18px;
  height: 18px;
}

/* Static Pages */
.static-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.static-page h1 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.static-page h2 {
  margin: var(--space-xl) 0 var(--space-md);
}

.static-page ul {
  margin: var(--space-md) 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
}

.static-page li {
  margin-bottom: var(--space-sm);
}

/* Contact Form */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact-info {
  background: var(--gradient-hero);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item-icon i {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.contact-item h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 1rem;
  color: var(--text-primary);
}

/* Category Filter */
.category-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  justify-content: center;
}

.filter-btn {
  padding: 10px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-btn i {
  width: 16px;
  height: 16px;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

/* Progress Bar */
.progress-bar {
  height: 10px;
  background: var(--bg-secondary);
  border-radius: 5px;
  overflow: hidden;
  margin: var(--space-md) 0;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 5px;
  transition: width 0.5s ease;
}

/* Score Circle */
.score-circle {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-lg) auto;
  border: 4px solid var(--primary);
  box-shadow: var(--glow-primary);
}

.score-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-display);
}

/* Spots Grid (for three point trainer) */
.spots-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

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

.spot-input label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.spot-input input {
  width: 100%;
  padding: var(--space-md);
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 500px;
  width: 100%;
  text-align: center;
  animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-sm);
  overflow-x: auto;
}

.tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-body);
  border-bottom: 2px solid transparent;
  transition: var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Checklist */
.checklist {
  margin: var(--space-md) 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: var(--transition-base);
}

.checklist-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.checklist-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--primary);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }
.animate-delay-500 { animation-delay: 0.5s; }

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

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

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-2xl { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }

/* Responsive */
@media (max-width: 1200px) {
  :root {
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .stat-item::after {
    display: none;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .article-hero {
    height: 300px;
    margin: calc(var(--space-lg) * -1);
    margin-bottom: var(--space-lg);
  }
  
  .spots-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .tool-hero h1 {
    font-size: 2rem;
  }
  
  .tool-main {
    padding: var(--space-lg);
  }
  
  .timer-display {
    font-size: 3.5rem;
  }
  
  .spots-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Table of Contents (Sticky Sidebar for Articles) */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .article-sidebar {
    display: none;
  }
}

.article-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.toc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.toc-card h4 {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.toc-card h4 i {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: var(--space-sm);
}

.toc-list a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: block;
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--border-subtle);
  transition: var(--transition-base);
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--primary);
  border-left-color: var(--primary);
}

/* Social Share Buttons */
.share-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.share-btn {
  width: 44px;
  height: 44px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
}

.share-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
}

.share-btn i {
  width: 20px;
  height: 20px;
}

/* Inline Article Links */
.article-link {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(255, 69, 0, 0.3);
  text-underline-offset: 3px;
  transition: var(--transition-base);
}

.article-link:hover {
  text-decoration-color: var(--primary);
}

/* Blockquote */
blockquote {
  background: var(--bg-glass);
  border-left: 4px solid var(--primary);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

blockquote p {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-style: italic;
  margin: 0;
}

/* Code Block */
pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

code {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: var(--primary);
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

th, td {
  padding: var(--space-md);
  border: 1px solid var(--border-subtle);
  text-align: left;
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
}

td {
  color: var(--text-secondary);
}

tr:hover td {
  background: var(--bg-glass);
}