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

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

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

::-webkit-scrollbar-track {
    background: #F9F7F2;
}

::-webkit-scrollbar-thumb {
    background: #0F3D3E;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1A5254;
}

/* Selection color */
::selection {
    background: #0F3D3E;
    color: #F9F7F2;
}

/* Nav background on scroll */
.nav-scrolled {
    background: rgba(249, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 1px 0 rgba(15, 61, 62, 0.08);
}

/* Hero animations */
.hero-subtitle {
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-description {
    animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-cta {
    animation: fadeUp 0.8s ease forwards 0.8s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal animations (below fold only, progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.5s ease, pointer-events 0.5s ease;
}

#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

/* Link hover effects */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* Image hover effects */
img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #0F3D3E;
    outline-offset: 4px;
    border-radius: 2px;
}

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

/* Print styles */
@media print {
    #navbar,
    #menu-toggle,
    #mobile-menu {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
    }
}