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

body {
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #a9d5c4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #74bb9f;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4a9e7f;
    transition: width 0.3s ease;
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-blur-xl;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .nav-text {
    color: #1e2733;
}

#navbar.scrolled .nav-link {
    color: #3e4a58;
}

/* Mobile menu */
.mobile-link {
    position: relative;
}

#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* Menu tabs */
.menu-tab {
    background: transparent;
    color: #526371;
    border: none;
    cursor: pointer;
}

.menu-tab.active {
    background: #1e2733;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(30, 39, 51, 0.2);
}

.menu-tab:not(.active):hover {
    background: #f0f4f8;
}

/* Reveal animations */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }
    
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: none;
    }
}

/* Menu item hover */
.menu-content > div {
    animation: fadeIn 0.4s ease forwards;
}

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

/* Gallery images */
.group img {
    will-change: transform;
}

/* Button focus states */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #4a9e7f;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: #d0eade;
    color: #1e2733;
}