/* Advanced Web Benchmark Tool - Enhanced Style
 * Modern Gaming-inspired UI with cutting-edge CSS features
 * Simplified and optimized for performance
 */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&family=Rajdhani:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* ======== CSS VARIABLES ======== */
:root {
  /* Core color palette */
  --clr-primary: 253, 54, 110;
  --clr-secondary: 64, 224, 208;
  --clr-accent: 255, 215, 0;
  --clr-dark: 13, 17, 23;
  --clr-darker: 8, 10, 15;
  --clr-light: 240, 240, 255;
  
  /* UI colors */
  --clr-card-bg: 20, 24, 33;
  --clr-surface: 30, 36, 48;
  --clr-success: 0, 255, 170;
  --clr-warning: 255, 164, 0;
  --clr-error: 255, 53, 94;
  
  /* Text colors */
  --clr-text-primary: 230, 237, 243;
  --clr-text-secondary: 180, 188, 208;
  --clr-text-tertiary: 140, 148, 168;
  
  /* Typography */
  --ff-primary: 'Rajdhani', system-ui, sans-serif;
  --ff-secondary: 'Orbitron', 'Rajdhani', monospace;
  --ff-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
  
  /* Animation */
  --speed-fast: 150ms;
  --speed-medium: 300ms;
  --speed-slow: 500ms;
}

/* ======== RESET & BASE ======== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--ff-primary);
  color: rgb(var(--clr-text-primary));
  background-color: rgb(var(--clr-dark));
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(var(--clr-primary), 0.08) 0%, transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(var(--clr-secondary), 0.08) 0%, transparent 25%);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-secondary);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: var(--space-lg); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

a {
  color: rgb(var(--clr-secondary));
  text-decoration: none;
  transition: color var(--speed-medium);
}

a:hover { color: rgba(var(--clr-secondary), 0.8); }

button {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ======== SCROLLBAR ======== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: rgba(var(--clr-dark), 0.95); }
::-webkit-scrollbar-thumb { 
  background: rgba(var(--clr-primary), 0.7);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(var(--clr-primary), 0.9); }

::selection {
  background-color: rgba(var(--clr-secondary), 0.7);
  color: rgb(var(--clr-dark));
}

/* ======== LAYOUT ======== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
}

/* ======== NAVIGATION ======== */
.main-nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(var(--clr-darker), 0.85);
  backdrop-filter: blur(10px);
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  font-family: var(--ff-secondary);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo i { color: rgb(var(--clr-primary)); }

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-links a {
  color: rgb(var(--clr-text-primary));
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--speed-fast);
  position: relative;
}

.nav-links a:hover { color: rgb(var(--clr-secondary)); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(var(--clr-primary), 0.8), rgba(var(--clr-secondary), 0.8));
  transform: scaleX(0);
  transition: transform var(--speed-medium);
}

.nav-links a:hover::after { transform: scaleX(1); }

/* ======== HERO ======== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 800px;
  padding: var(--space-xl);
}

.hero h1 {
  background: linear-gradient(90deg, rgb(var(--clr-primary)), rgb(var(--clr-secondary)), rgb(var(--clr-accent)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-md);
  animation: textGlow 5s infinite alternate;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin-bottom: var(--space-lg);
  color: rgb(var(--clr-text-secondary));
}

#particle-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* ======== CARDS ======== */
.info-card, .test-card {
  background: rgba(var(--clr-card-bg), 0.7);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: blur(5px);
  box-shadow: var(--shadow-md);
  transition: transform var(--speed-medium), box-shadow var(--speed-medium);
  border: 1px solid rgba(var(--clr-primary), 0.1);
  position: relative;
}

.info-card::before, .test-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, rgb(var(--clr-primary)), rgb(var(--clr-secondary)));
}

.info-card:hover, .test-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 5px 15px rgba(var(--clr-primary), 0.15);
}

.info-card h3, .test-card h3 {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.info-card h3 i, .test-card h3 i { color: rgb(var(--clr-primary)); }

.info-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
  font-family: var(--ff-mono);
  font-size: 0.95rem;
}

.info-item .label { color: rgb(var(--clr-text-secondary)); }
.info-item .value { 
  font-weight: 500;
  color: rgb(var(--clr-text-primary));
}

/* ======== GRIDS ======== */
.system-info-grid, .benchmark-tests {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* ======== BUTTONS ======== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--speed-medium);
  font-family: var(--ff-secondary);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(var(--clr-primary), 0.9), rgba(var(--clr-primary), 0.7));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(var(--clr-primary), 1), rgba(var(--clr-primary), 0.8));
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--clr-primary), 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(var(--clr-secondary), 0.9), rgba(var(--clr-secondary), 0.7));
  color: rgb(var(--clr-dark));
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(var(--clr-secondary), 1), rgba(var(--clr-secondary), 0.8));
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--clr-secondary), 0.4);
}

.btn-small {
  padding: calc(var(--space-xs) / 2) var(--space-sm);
  font-size: 0.85rem;
}

/* ======== PROGRESS BARS ======== */
.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(var(--clr-dark), 0.5);
  border-radius: 5px;
  overflow: hidden;
  margin: var(--space-sm) 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, rgb(var(--clr-primary)), rgb(var(--clr-secondary)));
  transition: width var(--speed-medium);
}

/* ======== TEST RESULTS ======== */
.test-result {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background: rgba(var(--clr-dark), 0.3);
  border-radius: var(--radius-md);
  border-left: 3px solid rgb(var(--clr-secondary));
}

.result-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
  font-family: var(--ff-mono);
  font-size: 0.9rem;
}

.webgl-canvas {
  width: 100%;
  height: 300px;
  margin-top: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* ======== OVERALL SCORE ======== */
.overall-score-card {
  background: rgba(var(--clr-card-bg), 0.7);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(var(--clr-primary), 0.2);
}

.big-score {
  font-family: var(--ff-secondary);
  font-size: clamp(4rem, 10vw, 6rem);
  font-weight: 700;
  background: linear-gradient(90deg, rgb(var(--clr-primary)), rgb(var(--clr-secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.score-label {
  font-family: var(--ff-secondary);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgb(var(--clr-text-secondary));
  display: block;
  margin-top: var(--space-xs);
}

.score-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.score-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-sm);
  background: rgba(var(--clr-dark), 0.3);
  border-radius: var(--radius-md);
  transition: transform var(--speed-medium);
}

.score-item:hover { transform: translateY(-3px); }

/* ======== MODAL ======== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--clr-darker), 0.8);
  backdrop-filter: blur(5px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: rgba(var(--clr-card-bg), 0.95);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(var(--clr-primary), 0.2);
}

.close-modal {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--speed-fast);
}

.close-modal:hover { color: rgb(var(--clr-primary)); }

/* ======== LOADING ======== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--clr-darker), 0.8);
  backdrop-filter: blur(5px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(var(--clr-text-tertiary), 0.3);
  border-top: 4px solid rgb(var(--clr-primary));
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ======== UTILITIES ======== */
.hidden { display: none !important; }
.text-gradient {
  background: linear-gradient(90deg, rgb(var(--clr-primary)), rgb(var(--clr-secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ======== ANIMATIONS ======== */
@keyframes textGlow {
  0%, 100% { text-shadow: 0 0 5px rgba(var(--clr-primary), 0.5); }
  50% { text-shadow: 0 0 20px rgba(var(--clr-secondary), 0.8); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

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

/* ======== RESPONSIVE ======== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 60px;
    right: -100%;
    flex-direction: column;
    background: rgba(var(--clr-darker), 0.95);
    padding: var(--space-md);
    width: 70%;
    max-width: 300px;
    height: calc(100vh - 60px);
    transition: right var(--speed-medium);
  }
  
  .nav-links.active { right: 0; }
  
  .system-info-grid, .benchmark-tests {
    grid-template-columns: 1fr;
  }
}

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

/* ======== SEO SECTION ======== */
.seo-section {
  background: rgba(var(--clr-card-bg), 0.5);
  padding: var(--space-xl) 0;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
}

.seo-section h2, .seo-section h3 {
  color: rgb(var(--clr-text-primary));
  margin-bottom: var(--space-md);
}

.seo-section p {
  color: rgb(var(--clr-text-secondary));
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.seo-section ul {
  list-style: none;
  padding-left: var(--space-md);
}

.seo-section li {
  color: rgb(var(--clr-text-secondary));
  margin-bottom: var(--space-xs);
  position: relative;
}

.seo-section li::before {
  content: '▸';
  position: absolute;
  left: -var(--space-md);
  color: rgb(var(--clr-primary));
}

/* ======== FAQ SECTION ======== */
.faq-section {
  margin-top: var(--space-xl);
}

.faq-item {
  background: rgba(var(--clr-card-bg), 0.5);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 3px solid rgb(var(--clr-primary));
}

.faq-item h3 {
  color: rgb(var(--clr-text-primary));
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.faq-item p {
  color: rgb(var(--clr-text-secondary));
  line-height: 1.6;
}