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

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

::-webkit-scrollbar-track {
    background: #FDF8F0;
}

::-webkit-scrollbar-thumb {
    background: #C06C4B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a85535;
}

/* Selection color */
::selection {
    background: #C06C4B;
    color: white;
}

/* Smooth transitions for all interactive elements */
a, button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid #C06C4B;
    outline-offset: 2px;
}

/* Mobile menu animations */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

.mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-link:nth-child(6) { transition-delay: 0.35s; }

/* Hamburger animation */
#hamburger span {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

#mobile-menu-btn.active #hamburger span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

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

#mobile-menu-btn.active #hamburger span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.5rem;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Navbar scroll state */
.nav-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Service card hover effects */
.group:hover .group-hover\:rotate-12 {
    transform: rotate(12deg);
}

/* Geometric shape animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-20px) rotate(45deg); }
}

@keyframes float-reverse {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(20px); }
}

.geometric-float {
    animation: float 6s ease-in-out infinite;
}

.geometric-float-reverse {
    animation: float-reverse 8s ease-in-out infinite;
}