/* ===== 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(212, 175, 55, 0.3);
    color: #fff;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulseSlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes scrollDown {
    0% { top: -16px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-pulse-slow {
    animation: pulseSlow 4s ease-in-out infinite;
}

.animate-scroll-down {
    animation: scrollDown 1.5s ease-in-out infinite;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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);
}

/* Stagger children */
.reveal-stagger > * {
    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);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #D4AF37, #E8C55A);
    transition: width 0.3s ease;
}

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

/* Navbar scrolled state */
.nav-scrolled {
    background: rgba(5, 10, 24, 0.9) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-scrolled .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

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

.menu-open #bar1 {
    transform: translateY(8px) rotate(45deg);
}

.menu-open #bar2 {
    opacity: 0;
}

.menu-open #bar3 {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0), rgba(212, 175, 55, 0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: background 0.5s ease;
    pointer-events: none;
}

.service-card:hover::before {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(95, 196, 160, 0.1));
}

/* ===== Gold shimmer text ===== */
.shimmer-text {
    background: linear-gradient(90deg, #D4AF37 0%, #F0D68A 25%, #D4AF37 50%, #E8C55A 75%, #D4AF37 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}

/* ===== Custom select ===== */
select option {
    background: #0A1628;
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #050A18;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #D4AF37, #C49B2A);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #E8C55A, #D4AF37);
}

/* ===== 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, .reveal-stagger > * {
        opacity: 1;
        transform: none;
    }
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .font-display {
        line-height: 1.1;
    }
}