/* Custom CSS for Ossur Medical Website */

/* Color Variables */
:root {
    --navy-900: #0a1628;
    --navy-800: #1a2744;
    --navy-700: #2a3f5f;
    --gold-500: #d4a843;
    --gold-400: #e4b95a;
    --gold-300: #f0c970;
    --gold-600: #b8922e;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.font-playfair {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-inter {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Hero Animations */
.hero-element {
    opacity: 1;
    transform: translateY(0);
    animation: heroFadeIn 0.8s ease-out forwards;
}

.hero-element:nth-child(1) { animation-delay: 0.1s; }
.hero-element:nth-child(2) { animation-delay: 0.3s; }
.hero-element:nth-child(3) { animation-delay: 0.5s; }
.hero-element:nth-child(4) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--navy-900), var(--gold-500));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, var(--navy-800), var(--gold-400));
}

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

/* Button Hover Effects */
button,
a {
    transition: all 0.3s ease;
}

/* Smooth Transitions */
.transition-all {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .text-5xl {
        font-size: 2.5rem;
    }
    
    .text-4xl {
        font-size: 2rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    nav,
    #back-to-top,
    .scroll-reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}