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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #f5f5f5;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f0f0f;
}
::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #d4a853;
}

/* Scroll reveal animations — progressive enhancement via JS */
.reveal {
    opacity: 1;
    transform: none;
    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);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service cards */
.service-card {
    opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(20px);
    }
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll line animation */
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

.animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
}

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

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

.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 10, 10, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

/* Input autofill */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1a1a1a inset !important;
    -webkit-text-fill-color: #f5f5f5 !important;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid rgba(212, 168, 83, 0.6);
    outline-offset: 2px;
}