/* ─── Reset & Base ─── */
*, *::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;
}

img {
    display: block;
    max-width: 100%;
}

::selection {
    background: #C8960C;
    color: #050D1A;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050D1A;
}
::-webkit-scrollbar-thumb {
    background: #C8960C;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #D4A843;
}

/* ─── Navbar ─── */
#navbar.scrolled {
    background: rgba(5, 13, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .mobile-line {
    background: white;
}

#navbar.scrolled .menu-line:last-child {
    background: #C8960C;
}

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

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C8960C;
    transition: width 0.3s ease;
}

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

/* ─── Mobile Menu Button Animation ─── */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

#mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
    background: #C8960C;
}

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ─── Product Card Hover ─── */
.group:hover .group-hover\:-translate-y-1 {
    transform: translateY(-4px);
}

/* ─── Gold Button Shine Effect ─── */
.bg-gold-500 {
    position: relative;
    overflow: hidden;
}

.bg-gold-500::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.bg-gold-500:hover::before {
    left: 100%;
}

/* ─── Service Card Border Animation ─── */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ─── Smooth anchor offset for fixed nav ─── */
section[id] {
    scroll-margin-top: 80px;
}

/* ─── Image lazy load placeholder ─── */
img[loading="lazy"] {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ─── Print styles ─── */
@media print {
    #navbar, #mobile-menu-btn, #mobile-menu {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}