/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: #d4a034;
    color: #102a43;
}

/* Navbar */
#navbar {
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(0px);
    transition: background 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}

#navbar.scrolled .nav-text {
    color: #102a43;
}

#navbar.scrolled .nav-text-light {
    color: #627d98;
}

#navbar.scrolled .menu-line {
    background: #102a43;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #d4a034;
    transition: width 0.3s ease;
}

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

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

#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}

#mobile-menu .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu toggle */
#menu-toggle.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(2px, 2px);
}

#menu-toggle.open .menu-line:nth-child(2) {
    transform: rotate(-45deg) translate(2px, -2px);
}

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

.service-card:hover {
    transform: translateY(-2px);
}

.service-card:hover svg {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.service-card svg {
    transition: transform 0.3s ease;
}

/* Scroll Reveal (below fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Input focus styles */
input:focus, textarea:focus {
    outline: none;
}

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

/* Print styles */
@media print {
    #navbar, #contact, .reveal {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}