/* Base styles and custom utilities */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #f4fbf9;
}

::-webkit-scrollbar-thumb {
    background: #6ec2b0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #41a795;
}

/* Selection color */
::selection {
    background: #6ec2b0;
    color: #0a1520;
}

/* Navbar transitions */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #41a795;
    transition: width 0.3s ease;
}

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

/* Mobile menu link transitions */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
}

/* Service card hover effects */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: #41a795;
    transition: height 0.4s ease;
}

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

/* Gallery item transitions */
.gallery-item {
    cursor: pointer;
}

/* Testimonial card hover */
.testimonial-card {
    transition: transform 0.4s ease, background 0.4s ease;
}

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

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left-hidden {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right-hidden {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }
    
    .reveal-hidden,
    .reveal-left-hidden,
    .reveal-right-hidden {
        opacity: 1;
        transform: none;
    }
    
    .service-card::before {
        height: 100%;
    }
    
    .gallery-item img {
        transition: none;
    }
    
    .testimonial-card {
        transition: none;
    }
}

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

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

/* Hamburger animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* Form input focus states */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* Image loading placeholder */
img {
    background-color: #e6f4f1;
}