/* Kinetic Krew - Unified Design System */

:root {
  /* Light theme defaults */
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --color-accent: #7ed56f;
  --color-primary: #0f172a;
  --color-border: #cbd5e1;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-hover: #f8fafc;
  --card-bg: #ffffff;
  --navbar-bg: #f1f5f9;
  --navbar-text: #1e293b;
  --footer-bg: #0f172a;
  --footer-text: #e2e8f0;

  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Fira Sans', sans-serif;

  /* Spacing */
  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;
  --gap-2xl: 48px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=Fira+Sans:wght@400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.navbar-brand, [class*="display"] {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.2; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.3; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.3; }
h4 { font-size: 1.375rem; }
h5 { font-size: 1.125rem; }

.display-3, .display-4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-accent { color: var(--color-accent); }

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

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

/* Buttons */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn-success {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  font-weight: 700;
}

.btn-success:hover {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.btn-outline-success {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline-success:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border-color: var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
}

.card-body {
  padding: var(--gap-xl);
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-lg);
  padding: var(--gap-xl);
}

@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: auto;
  }

  .bento-tile-1x1 { grid-column: span 1; grid-row: span 1; }
  .bento-tile-2x1 { grid-column: span 2; grid-row: span 1; }
  .bento-tile-1x2 { grid-column: span 1; grid-row: span 2; }
  .bento-tile-2x2 { grid-column: span 2; grid-row: span 2; }
  .bento-tile-3x1 { grid-column: span 3; grid-row: span 1; }
}

.bento-tile {
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--gap-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
}

/* Navigation */
.navbar {
  background-color: var(--navbar-bg) !important;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-normal);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary) !important;
  font-family: var(--font-display);
}

.nav-link {
  color: var(--text-primary) !important;
  font-weight: 500;
  font-family: var(--font-heading);
  transition: color var(--transition-fast);
  margin: 0 0.5rem;
}

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

.navbar-toggler {
  color: var(--text-primary) !important;
}

/* Theme Toggle Button */
[data-theme-toggle] {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-border);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-normal);
  margin-left: 0.5rem;
}

[data-theme-toggle]:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: scale(1.1);
}

[data-theme-toggle] svg {
  width: 20px;
  height: 20px;
}

/* Language Toggle */
[data-language-toggle] {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-border);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-normal);
  margin-left: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

[data-language-toggle]:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 60vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.3) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-content h1 {
  color: #ffffff;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: var(--gap-lg);
  animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-content p {
  color: #ffffff;
  font-size: 1.25rem;
  margin-bottom: var(--gap-xl);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

footer h6 {
  color: var(--color-accent);
  font-family: var(--font-heading);
}

footer a {
  color: var(--footer-text);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

footer a:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* Sections */
.section {
  padding: var(--gap-2xl) 0;
}

.section.bg-light {
  background-color: var(--bg-secondary);
}

.section.bg-dark {
  background-color: var(--footer-bg);
  color: var(--footer-text);
}

/* Forms */
.form-control, .form-select, textarea.form-control {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-normal);
}

.form-control:focus, .form-select:focus, textarea.form-control:focus {
  background-color: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(126, 213, 111, 0.1);
}

.form-label {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-heading);
}

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

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

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

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Animation utilities */
.animate-fade-in {
  animation: fadeIn var(--transition-normal);
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-normal);
}

.animate-slide-in-left {
  animation: slideInLeft var(--transition-normal);
}

.animate-slide-in-right {
  animation: slideInRight var(--transition-normal);
}

.animate-stagger {
  animation: fadeInUp var(--transition-normal);
}

.animate-stagger:nth-child(1) { animation-delay: 0s; }
.animate-stagger:nth-child(2) { animation-delay: 0.1s; }
.animate-stagger:nth-child(3) { animation-delay: 0.2s; }
.animate-stagger:nth-child(4) { animation-delay: 0.3s; }
.animate-stagger:nth-child(5) { animation-delay: 0.4s; }

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

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }

.shadow-sm {
  box-shadow: 0 2px 8px var(--color-shadow);
}

.shadow-lg {
  box-shadow: 0 8px 24px var(--color-shadow);
}

.gap-lg { gap: var(--gap-lg); }
.gap-md { gap: var(--gap-md); }
.gap-sm { gap: var(--gap-sm); }

.p-xl { padding: var(--gap-xl); }
.p-lg { padding: var(--gap-lg); }
.py-xl { padding-top: var(--gap-xl); padding-bottom: var(--gap-xl); }
.py-lg { padding-top: var(--gap-lg); padding-bottom: var(--gap-lg); }

.mb-xl { margin-bottom: var(--gap-xl); }
.mb-lg { margin-bottom: var(--gap-lg); }
.mt-xl { margin-top: var(--gap-xl); }
.mt-lg { margin-top: var(--gap-lg); }

/* Responsive */
@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-md);
    padding: var(--gap-lg);
  }

  .bento-tile-2x1,
  .bento-tile-1x2,
  .bento-tile-2x2,
  .bento-tile-3x1 {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .container {
    padding-left: var(--gap-lg);
    padding-right: var(--gap-lg);
  }

  .nav-link {
    margin: 0.5rem 0;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print */
@media print {
  body {
    background-color: white;
    color: black;
  }

  .no-print {
    display: none;
  }
}