/* Custom styles for Pho Tau Bay */

/* Base font imports are handled via Google Fonts CDN */

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

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* Selection color */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #f1f5f9;
}

/* Navbar scroll effect */
.navbar-scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    backdrop-filter: blur(20px) !important;
}

/* Gold accent text gradient */
.text-gold-gradient {
    background: linear-gradient(135deg, #d4af37 0%, #f5d76e 50%, #d4af37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Teal glow effect */
.teal-glow {
    box-shadow: 0 0 40px rgba(13, 148, 136, 0.15);
}

/* Animated gradient border */
.gradient-border {
    position: relative;
    background: #0f172a;
    border-radius: 1rem;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.5), rgba(212, 175, 55, 0.3), rgba(13, 148, 136, 0.5));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Fade-in animation for scroll reveals */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* Pulse animation for the dot indicator */
@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0.5; }
}

.pulse-ring {
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .pulse-ring {
        animation: none;
    }
    
    .group:hover img {
        transform: none;
    }
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Image aspect ratios to prevent layout shift */
img {
    max-width: 100%;
    height: auto;
}