/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
}

/* Focus styles */
:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 2px;
}

/* Page Loader */
#page-loader {
    pointer-events: none;
}

#page-loader.fade-out {
    opacity: 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #f59e0b;
    transition: width 0.3s ease;
}

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

.nav-link.active {
    color: #f59e0b !important;
}

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

/* Mobile menu */
.mobile-nav-link {
    position: relative;
    padding-left: 1rem;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #f59e0b;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.mobile-nav-link:hover::before {
    opacity: 1;
}

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

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

/* Header scroll state */
#site-header.scrolled {
    background: rgba(61, 6, 25, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

#site-header.scrolled .font-serif {
    color: #fff !important;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #701337, #f59e0b);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* Portfolio Items */
.portfolio-item:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 2px;
}

/* Testimonial Cards */
blockquote {
    position: relative;
}

blockquote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #d97706);
    border-radius: 2rem 2rem 0 0;
}

/* Back to top button */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

#back-to-top:not(.visible) {
    transform: translateY(20px);
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 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;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    #back-to-top {
        transition: none;
    }
}

/* Form validation styles */
input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
}

input:valid:not(:placeholder-shown),
textarea:valid:not(:placeholder-shown) {
    border-color: #22c55e;
}

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

::-webkit-scrollbar-track {
    background: #fdf4f6;
}

::-webkit-scrollbar-thumb {
    background: #a61948;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c92a5a;
}

/* Selection color */
::selection {
    background: #f59e0b;
    color: #3d0619;
}