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

:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --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;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-cool: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;

    --radius-full: 50px;
}

/* Dark Theme Variables */
body.dark-theme {
    --white: #111827;
    --black: #f9fafb;
    --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;
}

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

/* Custom Scrollbar for WebKit Browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--radius-full);
  border: 2px solid var(--gray-100); /* Adds padding look */
  transition: background var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Firefox Custom Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--gray-100);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.menu-open {
    overflow: hidden;
}


/* ===================================
   Enhanced Navigation Styles
=================================== */

:root {
    --nav-height: 80px;
    --nav-blur: 20px;
    --nav-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --nav-shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.3);
    --nav-border: rgba(255, 255, 255, 0.18);
    --nav-border-dark: rgba(255, 255, 255, 0.1);
    --glow-primary: 0 0 20px rgba(102, 126, 234, 0.3);
    --glow-secondary: 0 0 15px rgba(118, 75, 162, 0.2);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(var(--nav-blur));
    -webkit-backdrop-filter: blur(var(--nav-blur));
    border-bottom: 1px solid var(--nav-border);
    z-index: var(--z-fixed);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar:hover::before {
    opacity: 1;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--nav-shadow);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
}

.navbar.hidden {
    transform: translateY(-100%);
    box-shadow: none;
}

/* Dark Theme Enhancements */
.dark-theme .navbar {
    background: rgba(15, 23, 42, 0.85);
    border-bottom: 1px solid var(--nav-border-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.dark-theme .navbar::before {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
}

.dark-theme .navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--nav-shadow-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    position: relative;
}

/* Enhanced Logo */
.logo-container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.logo-container img{
    width: 60px;
    margin-right: 10px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-container img:hover {
    transform: translateY(-2px);
}


.logo {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
    z-index: -1;
}

.logo:hover::before {
    opacity: 0.1;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    position: relative;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.logo:hover .logo-text::after {
    width: 100%;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--gray-500);
    line-height: 1;
    margin-top: 2px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.logo:hover .logo-subtitle {
    opacity: 1;
    color: var(--primary-color);
}

/* Enhanced Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    position: relative;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: block;
    
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
   
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link::after {
    content: attr(data-text);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(100%);
    color: var(--primary-color);
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding-top: 5px;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
    transform: scale(1);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translate(-50%, -50%) translateY(0);
}

.nav-link:hover span,
.nav-link.active span {
    transform: translateY(-100%);
    opacity: 0;
}

.nav-link span {
    display: block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.nav-link:hover {
    transform: translateY(-2px);
  
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    box-shadow: var(--glow-primary);
}

/* Dark theme nav links */
.dark-theme .nav-link {
    color: var(--gray-300);
}

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

/* Enhanced Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.theme-toggle:hover::before {
    opacity: 0.1;
}

.theme-toggle:hover {
    transform: translateY(-2px) rotate(10deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.theme-toggle .theme-icon {
    position: relative;
    z-index: 1;
    display: block;
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: scale(1.2);
}

.dark-theme .theme-toggle {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Enhanced CTA Button */
.cta-nav-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.cta-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-nav-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2), 
        rgba(255, 255, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-nav-btn:hover::before {
    left: 100%;
}

.cta-nav-btn:hover::after {
    opacity: 1;
}

.cta-nav-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.cta-nav-btn:active {
    transform: translateY(-1px) scale(1.02);
}

/* Enhanced Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.75rem;
    gap: 5px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
    background: var(--primary-color);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
    background: var(--primary-color);
}

/* Enhanced Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-menu-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.05), 
        rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active::before {
    opacity: 1;
}

.dark-theme .mobile-menu-overlay {
    background: rgba(15, 23, 42, 0.95);
    border-right-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.mobile-menu-content {
    padding: 3rem 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.mobile-nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--gray-800);
    font-size: 1.75rem;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.1), 
        rgba(118, 75, 162, 0.1));
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-link:hover::before {
    opacity: 1;
    transform: scale(1);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

.dark-theme .mobile-nav-link {
    color: var(--gray-200);
}

.mobile-nav-actions {
    margin-top: 2rem;
}

.mobile-nav-actions .cta-nav-btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-actions .cta-nav-btn:not(.mobile) {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-subtitle {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 70px;
        padding: 0 1rem;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .mobile-menu-overlay {
        top: 70px;
        height: calc(100vh - 70px);
    }
    
    .mobile-nav-link {
        font-size: 1.5rem;
        padding: 0.75rem 1.5rem;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    .navbar,
    .nav-link,
    .mobile-menu-toggle span,
    .mobile-menu-overlay,
    .theme-toggle,
    .cta-nav-btn,
    .mobile-nav-link {
        transition: none;
    }
}

/* Focus states for accessibility */
.nav-link:focus-visible,
.theme-toggle:focus-visible,
.cta-nav-btn:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .navbar {
        border-bottom-width: 2px;
    }
    
    .nav-link,
    .mobile-nav-link {
        border: 1px solid currentColor;
    }
    
    .cta-nav-btn {
        border: 2px solid var(--primary-color);
    }
}