/* ===================================
   Project Slider - Horizontal Scrolling Gallery
   For Architecture & Coding Pages
   =================================== */

/* Slider Wrapper with Navigation */
.projects-slider-wrapper {
    position: relative;
    width: 100%;
    margin-top: 3rem;
}

/* Scroll Hint Text */
.slider-hint {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(139, 126, 116, 0.7);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.slider-hint svg {
    width: 20px;
    height: 20px;
    animation: slideHint 2s ease-in-out infinite;
}

@keyframes slideHint {
    0%, 100% {
        transform: translateX(0);
        opacity: 0.7;
    }
    50% {
        transform: translateX(8px);
        opacity: 1;
    }
}

.slider-hint.hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* Slider Container */
.projects-slider {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch; /* iOS smooth scrolling */
    scrollbar-width: none; /* Hide scrollbar in Firefox */
    padding: 1rem 0 2rem;
    margin: 0 -1rem; /* Offset container padding */
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Hide scrollbar for Chrome, Safari and Opera */
.projects-slider::-webkit-scrollbar {
    display: none;
}

/* Projects Track - Horizontal Flex Container */
.projects-track {
    display: flex;
    gap: 2rem;
    min-width: min-content;
}

/* Project Card in Slider */
.projects-track .project-card {
    flex: 0 0 auto;
    width: 340px;
    scroll-snap-align: start;
}

/* Navigation Arrows - Elegant Design */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #FFFFFF 0%, #F5F5F5 100%);
    border: none;
    border-radius: 12px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    color: #8B7E74;
    box-shadow: 0 4px 20px rgba(139, 126, 116, 0.15),
                0 1px 3px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.slider-nav::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(139, 126, 116, 0.3), rgba(139, 126, 116, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.slider-nav:hover {
    background: linear-gradient(135deg, #8B7E74 0%, #A89A8F 100%);
    color: #FFFFFF;
    transform: translateY(-50%) translateX(0) scale(1.05);
    box-shadow: 0 8px 28px rgba(139, 126, 116, 0.25),
                0 4px 8px rgba(0, 0, 0, 0.15);
}

.slider-nav:hover::before {
    opacity: 0;
}

.slider-nav:active {
    transform: translateY(-50%) scale(0.98);
}

.slider-nav:disabled {
    opacity: 0;
    cursor: not-allowed;
    pointer-events: none;
    transform: translateY(-50%) scale(0.9);
}

.slider-nav-prev {
    left: -28px;
}

.slider-nav-next {
    right: -28px;
}

/* Elegant Arrow Icons */
.slider-nav svg {
    width: 28px;
    height: 28px;
    stroke-width: 2.5;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.slider-nav:hover svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Smooth Scroll Snap - Disabled for custom velocity physics */
.projects-slider {
    scroll-snap-type: none; /* Disabled to allow custom velocity-based scrolling */
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .projects-slider-wrapper {
        margin-top: 2rem;
    }
    
    /* Hide navigation arrows on mobile (touch scrolling) */
    .slider-nav {
        display: none;
    }
    
    /* Mobile hint styling */
    .slider-hint {
        font-size: 0.8125rem;
        margin-bottom: 1rem;
    }
    
    .slider-hint svg {
        width: 18px;
        height: 18px;
    }
    
    @keyframes slideHint {
        0%, 100% {
            transform: translateX(0);
            opacity: 0.6;
        }
        50% {
            transform: translateX(6px);
            opacity: 1;
        }
    }
    
    /* One card at a time on mobile */
    .projects-track .project-card {
        width: calc(100vw - 3rem);
        max-width: 400px;
    }
    
    .projects-track {
        gap: 1.5rem;
    }
    
    /* Custom velocity-based scrolling (no snap) */
    .projects-slider {
        scroll-snap-type: none; /* Disabled for custom physics */
        scroll-padding: 0 1.5rem;
    }
    
    .projects-track .project-card {
        scroll-snap-align: none; /* Handled by velocity-scroll.js */
        scroll-snap-stop: normal;
    }
    
    /* Scrollbar already hidden globally */
    
    /* Add scroll indicator on mobile */
    .projects-slider::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 4px;
        background: linear-gradient(90deg, 
            transparent, 
            rgba(139, 126, 116, 0.3) 20%, 
            rgba(139, 126, 116, 0.3) 80%, 
            transparent
        );
        border-radius: 2px;
        pointer-events: none;
    }
}

@media (max-width: 480px) {
    /* One card fills viewport on small phones */
    .projects-track .project-card {
        width: calc(100vw - 2.5rem);
        max-width: 100%;
    }
    
    .projects-track {
        gap: 1rem;
    }
    
    .projects-slider {
        scroll-padding: 0 1.25rem;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .slider-nav-prev {
        left: -16px;
    }
    
    .slider-nav-next {
        right: -16px;
    }
    
    .slider-nav {
        width: 44px;
        height: 44px;
    }
}

/* Large Desktop */
@media (min-width: 1400px) {
    .projects-track .project-card {
        width: 380px;
    }
}

/* Smooth Fade Animation for Navigation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.projects-slider-wrapper {
    animation: fadeIn 0.5s ease-in-out;
}

/* Focus Styles for Accessibility */
.slider-nav:focus {
    outline: 2px solid #8B7E74;
    outline-offset: 2px;
}

.slider-nav:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .projects-slider {
        scroll-behavior: auto;
    }
    
    .slider-nav {
        transition: none;
    }
    
    .projects-slider-wrapper {
        animation: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .slider-nav {
        border-width: 2px;
        border-color: currentColor;
    }
}