/* OSAGI Enterprise - Modern CSS Framework */

/* CSS Custom Properties */
:root {
  /* Light Mode Colors (Default) */
  --primary: #dc2626;
  --primary-dark: #991b1b;
  --primary-light: #ef4444;
  --secondary: #f59e0b;
  --accent: #3b82f6;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Light Mode Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --black: #000000;
  
  /* Theme Colors */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --text-tertiary: var(--gray-600);
  --border-color: var(--gray-200);
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 var(--shadow-color);
  --shadow-md: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);
  --shadow-lg: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -4px var(--shadow-color);
  --shadow-xl: 0 20px 25px -5px var(--shadow-color), 0 8px 10px -6px var(--shadow-color);
  
  /* Borders */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  /* Dark Mode Neutrals */
  --gray-50: #1f2937;
  --gray-100: #374151;
  --gray-200: #4b5563;
  --gray-300: #6b7280;
  --gray-400: #9ca3af;
  --gray-500: #d1d5db;
  --gray-600: #e5e7eb;
  --gray-700: #f3f4f6;
  --gray-800: #f9fafb;
  --gray-900: #ffffff;
  
  /* Dark Theme Colors */
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #e5e7eb;
  --text-tertiary: #d1d5db;
  --border-color: #374151;
  --shadow-color: rgba(0, 0, 0, 0.3);
  
  /* Adjust primary colors for dark mode */
  --primary: #ef4444;
  --primary-dark: #dc2626;
  --primary-light: #f87171;
  --accent: #60a5fa;
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--gray-700);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.theme-toggle:hover {
  background-color: var(--gray-100);
  color: var(--primary);
}

.theme-icon {
  display: none;
}

.theme-icon.active {
  display: block;
}

[data-theme="dark"] .theme-toggle {
  color: var(--gray-300);
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: var(--gray-700);
  color: var(--primary);
}

/* Dark mode specific adjustments */
[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

[data-theme="dark"] .nav {
  background-color: rgba(31, 41, 55, 0.95);
}

[data-theme="dark"] .nav.nav-scrolled {
  background-color: rgba(31, 41, 55, 0.98);
}

[data-theme="dark"] .btn-secondary {
  border-color: var(--primary);
  color: var(--primary);
}

[data-theme="dark"] .btn-secondary:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* Ensure images don't get too dark */
[data-theme="dark"] img {
  opacity: 0.9;
}

[data-theme="dark"] img:hover {
  opacity: 1;
}

/* Dark mode contact improvements */
[data-theme="dark"] .text-accent {
  color: var(--accent);
}

[data-theme="dark"] .text-secondary {
  color: var(--text-secondary);
}

[data-theme="dark"] a.text-accent {
  color: var(--accent);
}

[data-theme="dark"] a.text-accent:hover {
  color: var(--primary-light);
}

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

/* Smooth theme transitions */
*,
*::before,
*::after {
  transition: background-color var(--transition-normal), 
              color var(--transition-normal), 
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

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; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

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

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

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

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

.text-primary {
  color: var(--primary);
}

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

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

.text-gray-600 {
  color: var(--gray-600);
}

.text-white {
  color: var(--white);
}

.text-gray-600 {
  color: var(--gray-600);
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.uppercase {
  text-transform: uppercase;
}

.tracking-wide {
  letter-spacing: 0.025em;
}

/* Background Utilities */
.bg-white {
  background-color: var(--bg-primary);
}

.bg-gray-50 {
  background-color: var(--bg-secondary);
}

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

.bg-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

/* Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-size: 0.875rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
}

.card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

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

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-fast);
  transform: translateY(0);
}

.nav.nav-scrolled {
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-lg);
}

.nav.nav-hidden {
  transform: translateY(-100%);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  align-items: center; /* Add vertical alignment */
}

.nav-menu li {
  display: flex;
  align-items: center; /* Ensure list items are also centered */
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  min-height: 40px; /* Match button height for perfect alignment */
  padding: var(--space-2) 0; /* Add some vertical padding */
}

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

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

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

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

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-6);
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(25px); /* Increased from 20px to 25px for more visible movement */
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px); /* Increased from -30px to -40px */
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px); /* Increased from 30px to 40px */
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85); /* Reduced from 0.9 to 0.85 for more noticeable scaling */
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards; /* Increased from 0.3s to 0.6s - sweet spot */
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards; /* Increased from 0.25s to 0.5s */
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards; /* Increased from 0.3s to 0.6s */
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards; /* Increased from 0.3s to 0.6s */
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards; /* Increased from 0.25s to 0.5s */
}

.animate-bounce {
  animation: bounce 0.8s ease-out; /* Increased from 0.6s to 0.8s */
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Hover Animations */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-rotate {
  transition: transform var(--transition-normal);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
}

/* Loading Animations */
.loading-shimmer {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% {
    color: rgba(0,0,0,0);
    text-shadow:
      .25em 0 0 rgba(0,0,0,0),
      .5em 0 0 rgba(0,0,0,0);
  }
  40% {
    color: black;
    text-shadow:
      .25em 0 0 rgba(0,0,0,0),
      .5em 0 0 rgba(0,0,0,0);
  }
  60% {
    text-shadow:
      .25em 0 0 black,
      .5em 0 0 rgba(0,0,0,0);
  }
  80%, 100% {
    text-shadow:
      .25em 0 0 black,
      .5em 0 0 black;
  }
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; } /* Increased from 0.02s to 0.1s */
.stagger-2 { animation-delay: 0.2s; } /* Increased from 0.04s to 0.2s */
.stagger-3 { animation-delay: 0.3s; } /* Increased from 0.06s to 0.3s */
.stagger-4 { animation-delay: 0.4s; } /* Increased from 0.08s to 0.4s */
.stagger-5 { animation-delay: 0.5s; } /* Increased from 0.1s to 0.5s */
.stagger-6 { animation-delay: 0.6s; } /* Increased from 0.12s to 0.6s */

/* Scroll Reveal Animation */
.scroll-reveal {
  opacity: 0;
  transform: translateY(25px); /* Increased from 20px to 25px for more noticeable effect */
  transition: all 0.6s ease-out; /* Increased from 0.3s to 0.6s */
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Page Transition */
.page-transition {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease-out;
}

.page-transition.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Utility Classes */
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

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

.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Responsive Design */
@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}

/* Print Styles */
@media print {
  .nav,
  .btn,
  .nav-toggle {
    display: none !important;
  }
  
  * {
    background: white !important;
    color: black !important;
  }
}

/* Footer Styles */
.footer {
  background: var(--gray-900);
  color: white;
  padding: var(--space-16) 0;
}

.footer h3,
.footer h4 {
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.footer-text {
  color: var(--gray-300);
}

.footer-link {
  color: var(--gray-300);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
}

.footer-copyright {
  border-top: 1px solid var(--gray-700);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--gray-400);
}

/* Dark mode footer adjustments */
[data-theme="dark"] .footer {
  background: #0f172a;
}

[data-theme="dark"] .footer-text {
  color: var(--gray-400);
}

[data-theme="dark"] .footer-copyright {
  color: var(--gray-500);
  border-top-color: var(--gray-600);
}