*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Preloader */
#preloader {
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

/* Navbar */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #D4AF37;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

#navbar.scrolled {
    background: rgba(8, 8, 9, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.mobile-nav-link {
    position: relative;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #D4AF37;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Hero Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.03); }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

.animate-float {
    animation: float 8s ease-in-out infinite;
}

.animate-float-delay {
    animation: float-delay 6s ease-in-out infinite;
    animation-delay: 2s;
}

.animate-pulse-slow {
    animation: pulse-slow 10s ease-in-out infinite;
}

/* Service Cards */
.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1.5rem;
    padding: 1.5rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #D4AF37, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3), 0 0 40px rgba(212, 175, 55, 0.05);
}

.service-card:hover::before {
    opacity: 1;
}

/* Gallery */
.gallery-item {
    position: relative;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    border-color: rgba(212, 175, 55, 0.3);
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Form Styles */
input:focus, select:focus, textarea:focus {
    background: rgba(17, 17, 19, 0.8);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23D4AF37' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

::-webkit-scrollbar-track {
    background: #111113;
}

::-webkit-scrollbar-thumb {
    background: #3a0a12;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7B2C3B;
}

/* Selection */
::selection {
    background: rgba(123, 44, 59, 0.6);
    color: #fce7eb;
}

/* 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; }
    .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 768px) {
    .font-serif { line-height: 1.1; }
}