/* Custom styles for America's Vein Doctors */

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

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

/* Selection color */
::selection {
    background-color: #059669;
    color: #FDFBF7;
}

/* Header scroll state */
#site-header.scrolled {
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Mobile menu transitions */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

#mobile-menu-btn.active #menu-line-1 {
    transform: translateY(7px) rotate(45deg);
}

#mobile-menu-btn.active #menu-line-2 {
    transform: translateY(-7px) rotate(-45deg);
    opacity: 0;
}

/* Scroll reveal base - content is VISIBLE by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* For reduced motion, disable transitions entirely */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .reveal-image {
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Image reveal for below-fold sections */
.reveal-image {
    transform: scale(1.02);
    transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-image.revealed {
    transform: scale(1);
}

/* FAQ toggle animations */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0;
}

.faq-content.open {
    max-height: 300px;
    opacity: 1;
}

.faq-icon svg {
    transform-origin: center;
}

/* Form focus states */
input:focus,
textarea:focus {
    border-bottom-color: #059669 !important;
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Subtle hover lift for cards */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(6, 78, 59, 0.1);
}

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

::-webkit-scrollbar-track {
    background: #FDFBF7;
}

::-webkit-scrollbar-thumb {
    background: #064E3B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #059669;
}

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

#mobile-menu.closed .mobile-link {
    opacity: 0;
    transform: translateY(10px);
}

/* Staggered mobile menu links */
#mobile-menu.closed .mobile-link:nth-child(1) { transition-delay: 0s; }
#mobile-menu.closed .mobile-link:nth-child(2) { transition-delay: 0.05s; }
#mobile-menu.closed .mobile-link:nth-child(3) { transition-delay: 0.1s; }
#mobile-menu.closed .mobile-link:nth-child(4) { transition-delay: 0.15s; }
#mobile-menu.closed .mobile-link:nth-child(5) { transition-delay: 0.2s; }

/* Tablet and up adjustments */
@media (min-width: 768px) {
    .reveal {
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        transform: translateY(0);
    }
}

/* Large desktop adjustments */
@media (min-width: 1280px) {
    .reveal {
        transform: translateY(40px);
    }
    
    .reveal.revealed {
        transform: translateY(0);
    }
}