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

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

body {
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f0f3f9;
}
::-webkit-scrollbar-thumb {
    background: #C8A961;
    border-radius: 3px;
}

/* Scroll Indicator Animation */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}
.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* Reveal Animations — progressive enhancement via JS */
.reveal-up {
    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-left {
    opacity: 1;
    transform: translateX(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-right {
    opacity: 1;
    transform: translateX(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);
}

/* These are enhanced by JS when in view */
.reveal-up.enhanced {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-left.enhanced {
    opacity: 0;
    transform: translateX(-30px);
}

.reveal-right.enhanced {
    opacity: 0;
    transform: translateX(30px);
}

/* Service Cards */
.service-card {
    transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.06);
}

.service-card:hover h3 {
    color: #0f172a;
}

/* Mobile Menu */
#mobile-menu {
    pointer-events: none;
}

#mobile-menu.open {
    pointer-events: all;
}

/* Mobile menu link fade */
.mobile-menu-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

#mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.3s; }

/* Menu button animation */
.menu-line-1 {
    transform-origin: center;
}
.menu-line-2 {
    transform-origin: center;
}
.menu-line-3 {
    transform-origin: center;
}

#mobile-menu-btn.active .menu-line-1 {
    transform: translateY(6px) rotate(45deg);
}
#mobile-menu-btn.active .menu-line-2 {
    opacity: 0;
}
#mobile-menu-btn.active .menu-line-3 {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}

/* Hero image reveal */
#hero .reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 1s ease 0.2s, transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
}

/* Nav link hover underline */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #C8A961;
    transition: width 0.3s ease;
}

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

/* Form select styling */
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='%230f172a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
}

/* 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;
    }
}

/* Selection color */
::selection {
    background: rgba(200, 169, 97, 0.2);
    color: #0f172a;
}