:root {
  
    --color-energy-green: #00D4AA;
    --color-deep-green: #00B894;
    --color-tech-blue: #2D81FF;
    --color-deep-blue: #0066FF;
    --color-clean-white: #FFFFFF;
    --color-light-bg: #F8FCFB;
    --color-card-bg: #FFFFFF;
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #64748B;
    --color-border-light: #E2F1F0;
    --color-border-medium: #CBD5E1;
    --color-accent-gradient: linear-gradient(135deg, #00D4AA 0%, #2D81FF 100%);
    --color-glass-bg: rgba(255, 255, 255, 0.85);
    --color-dark-bg: #0F172A;
    
   
    --color-hover-primary: #00A878;
    --color-active-primary: #008F6B;
    --color-focus-ring: rgba(0, 212, 170, 0.2);
    
   
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-family-heading: 'Manrope', var(--font-family-primary);
    --font-family-mono: 'SF Mono', 'Roboto Mono', 'Courier New', monospace;
    
   
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
    --font-size-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem);
    --font-size-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
    --font-size-5xl: clamp(3rem, 2.6rem + 2vw, 4rem);
    
 
    --space-3xs: 0.125rem;
    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 32px 64px rgba(0, 0, 0, 0.1), 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-glass: 0 8px 32px rgba(0, 212, 170, 0.12);
    
 
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    

    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;
}


*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}
body {
     font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-light-bg);
    overflow-x: hidden;
    position: relative;
}


.navbar {
     position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: var(--color-glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    transform: translateY(0);
    transition: transform var(--transition-base), background var(--transition-base);
}
.navbar.hidden {
    transform: translateY(-100%);
}
.navbar.scrolled {
    background: var(--color-glass-bg);
    box-shadow: var(--shadow-md);
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    transition: transform var(--transition-base);;
}

.logo-symbol {
   width: 32px;
    height: 32px;
    color: var(--color-energy-green);
    transition: color var(--transition-base);
}

.logo-text {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-interactions {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-xs) 0;
    transition: color var(--transition-base);
}



.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-gradient);
    transition: width var(--transition-base) var(--transition-bounce);
    border-radius: var(--radius-full);
}
.nav-link:hover {
    color: var(--color-text-primary);
}
.nav-link:hover::before {
    width: 100%;
}
.nav-link.active {
    color: var(--color-text-primary);
}

.nav-link.active::before {
    width: 100%;
}
.nav-action {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    background: var(--color-accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-base);
    -webkit-user-select: none;
    user-select: none;
}

.nav-action::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-deep-green) 0%, var(--color-deep-blue) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glass);
}

.nav-action:hover::before {
    opacity: 1;
}


.nav-action:active {
    transform: translateY(0) scale(0.98);
}

.nav-action span,
.nav-action .action-arrow {
    position: relative;
    z-index: 1;
}
.action-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

.nav-action:hover .action-arrow {
    transform: translateX(4px);
}


.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
}



.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}


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

.mobile-nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.mobile-nav-menu .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-sm) 0;
}

.mobile-menu-actions {
    display: flex;
    justify-content: center;
}

.mobile-menu-actions .nav-action {
    width: 100%;
    justify-content: center;
}

.toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.nav-toggle.active .toggle-bar:first-child {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .toggle-bar:last-child {
    transform: rotate(-45deg) translate(6px, -6px);
}

.footer {
    background: var(--color-dark-bg);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
}

.footer-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-energy-green);
}

.footer-tagline {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}


.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-energy-green);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.link-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
}

.link-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.link-list a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: color var(--transition-base);
}

.link-list a:hover {
    color: var(--color-energy-green);
}

.footer-newsletter {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.newsletter-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
}

.newsletter-description {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.newsletter-form {
    position: relative;
}

.input-group {
    display: flex;
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all var(--transition-base);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-energy-green);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-button {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    width: 40px;
    background: var(--color-energy-green);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.newsletter-button:hover {
    background: var(--color-deep-green);
    transform: scale(1.05);
}

.newsletter-note {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
}

.legal-links {
    display: flex;
    gap: var(--space-lg);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition-base);
}

.legal-links a:hover {
    color: var(--color-energy-green);
}

@media (max-width: 1024px) {
    .nav-interactions {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-action {
        display: none;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .legal-links {
        flex-direction: column;
        gap: 1rem;
    }
}


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


.nav-link:focus,
.nav-action:focus,
.social-link:focus,
.newsletter-button:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-light-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--color-energy-green), var(--color-tech-blue));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, var(--color-deep-green), var(--color-deep-blue));
}


::selection {
    background: rgba(0, 212, 170, 0.3);
    color: var(--color-text-primary);
}