/* ========================================
   PORTFOLIO & TEMPLATE SHOWCASE
   Mobile-First Dark Theme with Blood Red/Orange
   ======================================== */

/* CSS Variables - Dark Theme with Blood Red/Orange */
:root {
  /* Primary Colors - Blood Red to Orange Gradient */
  --primary-color: #DC143C;           /* Crimson/Blood Red */
  --primary-dark: #8B0000;            /* Dark Red */
  --primary-light: #FF6347;           /* Tomato/Orange Red */
  --accent-color: #FF4500;             /* Orange Red */
  --accent-light: #FF7F50;            /* Coral */
  
  /* Dark Theme Background Colors */
  --bg-primary: #0A0A0A;              /* Almost Black */
  --bg-secondary: #1A1A1A;            /* Dark Gray */
  --bg-tertiary: #2A2A2A;             /* Medium Dark Gray */
  --bg-card: #1E1E1E;                 /* Card Background */
  --bg-gradient: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #2A2A2A 100%);
  
  /* Text Colors */
  --text-primary: #FFFFFF;            /* White */
  --text-secondary: #B8B8B8;          /* Light Gray */
  --text-muted: #808080;              /* Gray */
  --text-inverse: #0A0A0A;            /* Black for light backgrounds */
  
  /* Border and Divider Colors */
  --border-color: #333333;
  --border-light: #444444;
  --divider: #2A2A2A;
  
  /* Shadow and Glow Effects */
  --shadow-primary: 0 10px 30px rgba(220, 20, 60, 0.2);
  --shadow-secondary: 0 5px 15px rgba(0, 0, 0, 0.3);
  --glow-primary: 0 0 20px rgba(220, 20, 60, 0.4);
  --glow-accent: 0 0 30px rgba(255, 69, 0, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
  
  /* Breakpoints */
  --mobile: 480px;
  --tablet: 768px;
  --desktop: 1024px;
  --large: 1200px;
  --xlarge: 1400px;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  position: relative;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(220, 20, 60, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 69, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(220, 20, 60, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundPulse 20s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-color);
  text-shadow: var(--glow-primary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

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

.highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(20deg); }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  transform: translateY(0);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-primary);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary), var(--shadow-primary);
  color: var(--text-primary);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: var(--shadow-secondary);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand h1 {
  font-size: 1.5rem;
  margin-bottom: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-brand span {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-top: -2px;
}

.nav-menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: var(--transition-fast);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-fast);
}

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

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

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

/* Mobile Menu */
.nav-menu.mobile-menu {
  display: flex;
  position: fixed;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.nav-menu.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

/* ========================================
   HERO SECTION
   ======================================== */

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, var(--primary-color), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--accent-color), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--primary-light), transparent),
    radial-gradient(1px 1px at 130px 80px, var(--primary-color), transparent);
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: particleFloat 20s linear infinite;
  opacity: 0.3;
}

@keyframes particleFloat {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-200px, -200px); }
}

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

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--glow-primary);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.wheel {
  width: 2px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 1px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: wheelScroll 2s infinite;
}

@keyframes wheelScroll {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(16px); opacity: 0; }
}

/* ========================================
   LOADING STATES
   ======================================== */

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-sm);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.templates-loading {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--text-muted);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 479px) {
  :root {
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-content {
    padding: var(--spacing-sm);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-indicator {
    animation: none;
  }
  
  .hero-particles {
    animation: none;
  }
  
  body::before {
    animation: none;
  }
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline-color: var(--accent-color);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #FF0000;
    --accent-color: #FF8C00;
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --border-color: #666666;
  }
}