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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

/* Staggered animation delays */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }

/* Navbar scroll state */
nav.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

nav.scrolled .logo-text {
    color: #1e293b;
}

/* Mobile menu animation */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu.closed {
    transform: translateX(100%);
}

/* Hamburger animation */
#menu-btn.active #hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-btn.active #hamburger span:nth-child(2) {
    opacity: 0;
}

#menu-btn.active #hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Selection */
::selection {
    background: #99f6e4;
    color: #134e4a;
}

/* Input autofill */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal.hidden-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Print styles */
@media print {
    nav, #contact-form, .reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}