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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Lato', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: 'Cormorant Garamond', serif;
}

/* Scroll reveal animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeSlideIn 0.8s ease forwards;
}

@keyframes fadeSlideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.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; }

/* Service card hover */
.service-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -15px rgba(10, 31, 58, 0.15);
}

/* Navbar scroll state */
header.scrolled {
    background: rgba(10, 31, 58, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

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

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

#mobile-menu.open .mobile-link {
    animation: mobileLinkIn 0.4s ease forwards;
    opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(6) { animation-delay: 0.3s; }

@keyframes mobileLinkIn {
    to { opacity: 1; }
}

/* Hamburger animation */
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Back to top button */
#back-to-top.visible {
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Gold accent line animation */
.gold-line {
    position: relative;
    display: inline-block;
}

.gold-line::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #c9a84c, #e0c068);
    transition: width 0.4s ease;
}

.gold-line:hover::after {
    width: 100%;
}

/* Input focus styles */
input:focus, select:focus, textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #0a1f3a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* Selection color */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #0a1f3a;
}

/* 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;
    }

    .fade-in {
        opacity: 1;
        transform: none;
    }
}
