/* custom styles for elegant professional portfolio */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1e293b; /* slate-800 */
    background-color: #f8fafc; /* slate-50 */
}

/* Glassmorphism effects for modern touch */
.glass-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Subtle animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(to right, #0f172a, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Custom scrollbar for better look */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9; 
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8; 
}

/* Project Media & Video Preview Hover */
.project-media-wrapper {
    position: relative;
    overflow: hidden;
    background-color: #0f172a; /* slate-900 */
    cursor: pointer;
}

.project-media-wrapper .project-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity 0.4s ease, transform 0.5s ease;
    z-index: 10;
    position: relative;
    display: block;
}

.project-media-wrapper .project-preview-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 25;
    pointer-events: none;
}

.project-media-wrapper .project-hover-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.5s ease;
    z-index: 25;
}

/* Responsive scaling for mobile apps & terminal screenshots without zooming/cropping */
.project-media-wrapper .project-preview-video.fit-contain,
.project-media-wrapper.fit-contain .project-preview-video,
.project-media-wrapper .project-preview-img.fit-contain,
.project-media-wrapper.fit-contain .project-preview-img,
.project-media-wrapper .project-hover-img.fit-contain,
.project-media-wrapper.fit-contain .project-hover-img {
    object-fit: contain;
    background: radial-gradient(circle at center, #1e293b 0%, #090d16 100%);
    padding: 0.75rem;
}

/* When playing / hovered */
.project-media-wrapper.is-playing .project-preview-img,
.project-media-wrapper.is-hovered .project-preview-img,
.project-media-wrapper:hover .project-preview-img {
    opacity: 0;
    transform: scale(1.02);
}

.project-media-wrapper.fit-contain.is-hovered .project-preview-img,
.project-media-wrapper.fit-contain:hover .project-preview-img {
    opacity: 0;
    transform: none;
}

.project-media-wrapper.is-playing .project-preview-video,
.project-media-wrapper:hover .project-preview-video {
    opacity: 1;
}

.project-media-wrapper.is-hovered .project-hover-img,
.project-media-wrapper:hover .project-hover-img {
    opacity: 1;
    transform: scale(1.01);
}

.project-media-wrapper.fit-contain.is-hovered .project-hover-img,
.project-media-wrapper.fit-contain:hover .project-hover-img {
    opacity: 1;
    transform: none;
}

.project-media-wrapper .preview-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 30;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.project-media-wrapper.is-playing .preview-badge,
.project-media-wrapper.is-hovered .preview-badge,
.project-media-wrapper:hover .preview-badge {
    opacity: 0.3;
    transform: translateY(-2px);
}

/* Language Switcher Button */
.lang-switch-btn {
    cursor: pointer;
    user-select: none;
}

/* Slate Color Utilities (Ensures cross-browser fidelity with Tailwind v2) */
.bg-slate-900 { background-color: #0f172a !important; }
.bg-slate-800 { background-color: #1e293b !important; }
.bg-slate-700 { background-color: #334155 !important; }
.bg-slate-600 { background-color: #475569 !important; }
.bg-slate-500 { background-color: #64748b !important; }
.bg-slate-200 { background-color: #e2e8f0 !important; }
.bg-slate-100 { background-color: #f1f5f9 !important; }
.bg-slate-50  { background-color: #f8fafc !important; }

.hover\:bg-slate-800:hover { background-color: #1e293b !important; }
.hover\:bg-slate-700:hover { background-color: #334155 !important; }
.hover\:bg-slate-900:hover { background-color: #0f172a !important; }
.hover\:bg-slate-100:hover { background-color: #f1f5f9 !important; }
.hover\:bg-slate-50:hover  { background-color: #f8fafc !important; }

.text-slate-900 { color: #0f172a !important; }
.text-slate-800 { color: #1e293b !important; }
.text-slate-700 { color: #334155 !important; }
.text-slate-600 { color: #475569 !important; }
.text-slate-500 { color: #64748b !important; }
.text-slate-400 { color: #94a3b8 !important; }
.text-slate-300 { color: #cbd5e1 !important; }
.text-slate-200 { color: #e2e8f0 !important; }
.text-slate-100 { color: #f1f5f9 !important; }

/* Footer Styling (Ensures high contrast & visible icons when not hovered) */
footer .footer-social-btn {
    background-color: #1e293b !important;
    border: 1px solid #334155 !important;
    color: #e2e8f0 !important;
    transition: all 0.2s ease;
}

footer .footer-social-btn:hover {
    background-color: #334155 !important;
    border-color: #64748b !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

footer .footer-social-btn i {
    color: inherit !important;
}

footer .footer-tech-icon {
    color: #cbd5e1 !important;
    transition: all 0.2s ease;
}

footer .footer-tech-icon:hover {
    color: #ffffff !important;
    transform: translateY(-2px);
}

.border-slate-100 { border-color: #f1f5f9 !important; }
.border-slate-200 { border-color: #e2e8f0 !important; }
.border-slate-300 { border-color: #cbd5e1 !important; }
.border-slate-700 { border-color: #334155 !important; }
.border-slate-800 { border-color: #1e293b !important; }
.border-slate-900 { border-color: #0f172a !important; }
.border-black { border-color: #000000 !important; }

.hover\:bg-black:hover { background-color: #000000 !important; }
.hover\:text-white:hover { color: #ffffff !important; }

/* White Button with Black Outline */
.btn-white-outline {
    background-color: #ffffff !important;
    border: 2px solid #000000 !important;
    color: #000000 !important;
    transition: all 0.25s ease-in-out;
}

.btn-white-outline:hover {
    background-color: #000000 !important;
    color: #ffffff !important;
    border-color: #000000 !important;
}

.btn-white-outline:hover i,
.btn-white-outline:hover span {
    color: #ffffff !important;
}

/* Image Lightbox Modal */
.z-modal {
    z-index: 9999 !important;
}

#image-lightbox-modal {
    transition: opacity 0.25s ease, backdrop-filter 0.25s ease;
}

#image-lightbox-modal.opacity-0 {
    opacity: 0;
    pointer-events: none;
}

#image-lightbox-modal.opacity-100 {
    opacity: 1;
    pointer-events: auto;
}