/* Custom styles for Lucky Cat Ramen */

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

/* Floating animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

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

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Scroll reveal - progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.navbar-scrolled .nav-link {
    color: #334155 !important;
}

.navbar-scrolled .nav-link:hover {
    color: #0d9488 !important;
}

.navbar-scrolled .brand-text {
    color: #0f172a !important;
}

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

#mobile-menu.open {
    max-height: 400px;
    padding-top: 0;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Selection color */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}

/* Japanese decorative text */
.jp-accent {
    font-family: 'Noto Serif JP', serif;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

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

.card-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

/* Button ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-ripple:active::after {
    width: 200px;
    height: 200px;
}

/* Gradient text utility */
.gradient-text {
    background: linear-gradient(135deg, #0d9488, #2dd4bf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Image aspect ratios */
.img-portrait {
    aspect-ratio: 3/4;
}

.img-landscape {
    aspect-ratio: 4/3;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}