/* Custom styles and overrides */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navigation transition states */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(16, 42, 67, 0.08);
}

.nav-scrolled .nav-text {
    color: #102a43 !important;
}

.nav-scrolled .menu-line {
    background: #102a43 !important;
}

/* Mobile menu animations */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

/* Menu button active state */
.menu-active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    
    img, .group img {
        transition: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #627d98;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #486581;
}

/* Selection color */
::selection {
    background: #c8941e;
    color: #102a43;
}

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239fb3c8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Subtle gold accent line under headings */
section > div > div:first-child > span {
    position: relative;
}

/* Image lazy loading fade-in */
img[loading="lazy"] {
    transition: opacity 0.5s ease;
}

img[loading="lazy"][src] {
    opacity: 1;
}

/* Geometric shape decorations */
.geo-shape {
    position: absolute;
    pointer-events: none;
}

/* Gold gradient text effect */
.gold-gradient-text {
    background: linear-gradient(135deg, #e9c050, #c8941e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card hover lift effect */
.card-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-lift:hover {
    transform: translateY(-4px);
}

/* Pulse animation for status dots */
@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

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

/* Floating animation for decorative elements */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #c8941e;
    transition: width 0.3s ease;
}

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

/* Back to top button */
#backToTop.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

#backToTop {
    transform: translateY(20px);
}