/* ============================================
   Shootfun Labs - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #131722;
  --color-bg-tertiary: #1a1f2e;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b4b9c8;
  --color-text-muted: #6b7280;
  --color-accent: #00d9ff;
  --color-accent-hover: #00b8d9;
  --color-accent-dark: #0099cc;
  --color-border: #1f2937;
  --color-success: #10b981;
  --color-error: #ef4444;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Typography */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip to Content */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  font-weight: 600;
  z-index: 1000;
  border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
  top: 0;
}

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

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

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

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

a:hover,
a:focus {
  color: var(--color-accent-hover);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Header */
.header {
  position: sticky;
  top: 0;
  background-color: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  height: var(--header-height);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

.logo img {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
}

.logo:hover,
.logo:focus {
  color: var(--color-accent);
}

/* Navigation */
.nav-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
}

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

.nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  z-index: 99;
}

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

@media (min-width: 768px) {
  .nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: none;
    border: none;
  }
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .nav-list {
    flex-direction: row;
    padding: 0;
    gap: var(--spacing-lg);
  }
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
}

.nav-link.active {
  color: var(--color-accent);
  background-color: rgba(0, 217, 255, 0.1);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: inherit;
}

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

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Cards */
.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.15);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.card-content {
  color: var(--color-text-secondary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge-primary {
  background-color: rgba(0, 217, 255, 0.2);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
  border-color: var(--color-success);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4rem;
  }
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Section */
.section {
  padding: var(--spacing-3xl) 0;
}

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

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-section p,
.footer-section a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-date {
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.active {
  display: block;
}

.form-success {
  background-color: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  display: none;
}

.form-success.active {
  display: block;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--spacing-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  padding-left: var(--spacing-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -var(--spacing-lg);
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-primary);
}

.timeline-date {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.timeline-content {
  color: var(--color-text-secondary);
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  background-color: var(--color-bg-secondary);
}

.accordion-header {
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-bg-tertiary);
}

.accordion-header::after {
  content: '+';
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.accordion-item.active .accordion-header::after {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-content-inner {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-secondary);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
}

.metric-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.metric-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Utilities */
.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); }