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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #D4A843;
    color: #4A235A;
}

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

::-webkit-scrollbar-track {
    background: #F9F0FB;
}

::-webkit-scrollbar-thumb {
    background: #D79BD7;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C06FC0;
}

/* Animations */
@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes floatMedium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes floatFast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

.animate-float-slow {
    animation: floatSlow 6s ease-in-out infinite;
}

.animate-float-medium {
    animation: floatMedium 5s ease-in-out infinite;
}

.animate-float-fast {
    animation: floatFast 4s ease-in-out infinite;
}

.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
    transform-origin: top;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #D4A843;
    transition: width 0.3s ease;
}

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

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(74, 35, 90, 0.08);
}

.nav-scrolled .nav-link {
    color: #4A235A !important;
}

.nav-scrolled .font-serif {
    color: #3D1D4D !important;
}

/* Service Cards */
.service-card {
    transition: background-color 0.5s ease;
}

.service-card:hover {
    transform: translateY(-2px);
    transition: transform 0.3s ease, background-color 0.5s ease;
}

/* Approach Items */
.approach-item {
    transition: background-color 0.3s ease;
}

.approach-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Mobile Menu */
.mobile-menu-open {
    overflow: hidden;
}

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

/* Form Styles */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #D4A843;
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    .font-serif {
        line-height: 1.2;
    }
}

/* Print styles */
@media print {
    nav, #contact, footer, .scroll-indicator {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}