/* 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;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #FDF9EF;
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #1A3050;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C9A84C;
}

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

#navbar.scrolled {
    background: rgba(6, 13, 24, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

/* Hero Gold Lines */
.hero-gold-line {
    opacity: 0;
    animation: lineGrow 1s ease forwards;
}

.hero-gold-line:nth-child(1) { animation-delay: 0.5s; }
.hero-gold-line:nth-child(2) { animation-delay: 0.8s; }
.hero-gold-line:nth-child(3) { animation-delay: 1.1s; }

@keyframes lineGrow {
    from {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    to {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }
}

/* Service Cards */
.service-card {
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(201, 168, 76, 0.05);
}

/* Why Us Cards */
.why-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

/* Testimonial Cards */
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Mobile Menu */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #C9A84C;
    transition: width 0.3s ease;
}

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

/* Mobile Menu Animation */
#mobile-menu.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu.open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 20px;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .font-display {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}