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

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

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 3px;
}

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

/* Scroll Indicator Animation */
.scroll-indicator {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, #14b8a6);
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

/* Navbar Scroll Effect */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* Mobile Menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.menu-open .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}

.menu-open .menu-line:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Service Card Hover */
.service-card {
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: #14b8a6;
    transition: height 0.4s ease;
}

.service-card:hover::before {
    height: 100%;
}

/* Selection Color */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .service-card::before {
        transition: none;
    }
}

/* Fade-in animations for scroll reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-hidden {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-hidden {
        opacity: 0;
        transform: translateY(24px);
    }
}