/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #d4a017;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #e6b422;
}

/* Selection */
::selection {
    background: #d4a017;
    color: #0a1628;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .menu-line {
    background: #fff !important;
}

nav.scrolled .menu-line:last-child {
    background: #d4a017 !important;
}

/* Mobile menu open state */
.mobile-menu-open #mobileMenu {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-menu-open .menu-line:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-open .menu-line:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
    background: #d4a017 !important;
}

/* Service cards */
.service-card {
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(212, 160, 23, 0.2), transparent, rgba(212, 160, 23, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.3), transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* 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; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #d4a017;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Hero text animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* Pulse dot */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.animate-pulse {
    animation: pulse-dot 2s ease-in-out infinite;
}