/* Base & Utilities */
*, *::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: #f0d68a;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #070e18;
}
::-webkit-scrollbar-thumb {
    background: #1b2838;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* Hero Orbs Animation */
@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-25px, 25px) scale(1.08); }
    66% { transform: translate(15px, -15px) scale(0.92); }
}

@keyframes float3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.hero-orb {
    animation-duration: 20s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

.orb-1 {
    animation-name: float1;
}

.orb-2 {
    animation-name: float2;
}

.orb-3 {
    animation-name: float3;
    animation-duration: 25s;
}

/* Scroll Line */
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}

/* Scroll Reveal */
.scroll-element {
    opacity: 1;
    transform: none;
    transition: none;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-element {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .scroll-element.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .service-card {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .gallery-item {
        opacity: 0;
        transform: scale(0.95);
        transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .gallery-item.revealed {
        opacity: 1;
        transform: scale(1);
    }
}

/* Navbar */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(7, 14, 24, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #c9a84c, #2dd4bf);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    position: relative;
}

/* Hamburger animation */
#menu-btn.active #hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-btn.active #hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menu-btn.active #hamburger span:nth-child(3) {
    width: 100%;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Form Select Styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' 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 12px center;
    padding-right: 40px;
}

/* Focus visible for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Subtle shimmer on gold elements */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.gold-shimmer {
    background: linear-gradient(90deg, #c9a84c 0%, #f0d68a 50%, #c9a84c 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}