/* Base Styles & Custom Properties */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar Styles */
.nav-fixed {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: box-shadow 0.3s ease;
}

.nav-fixed.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-logo-text {
    color: var(--color-slate-800);
    transition: color 0.3s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-teal-600);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--color-teal-600);
}

/* Mobile Menu */
.mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-link {
    position: relative;
    padding-left: 0;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--color-teal-600);
    border-radius: 2px;
    transition: height 0.3s ease;
}

.mobile-nav-link:hover::before {
    height: 60%;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Card Hover Effects */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Button Focus States */
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-teal-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Input Focus States */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-slate-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-teal-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-teal-500);
}

/* Selection Color */
::selection {
    background: var(--color-teal-200);
    color: var(--color-teal-900);
}

/* Reduced Motion */
@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;
    }
    
    .animate-bounce {
        animation: none;
    }
}

/* Image Loading */
img {
    max-width: 100%;
    height: auto;
}

/* Smooth Image Hover */
img:hover {
    transition: transform 0.5s ease;
}

/* Print Styles */
@media print {
    .nav-fixed,
    .mobile-menu,
    .animate-bounce {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}