@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@700&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}



/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    /* slate-300 */
    border-radius: 5px;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
    /* slate-600 */
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
    /* slate-400 */
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
    /* slate-500 */
}


/* Animations */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* Timeline Customization for Professional Look */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
    /* slate-200 */
}

.dark .timeline::before {
    background: #334155;
    /* slate-700 */
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    animation: slideUpFade 0.5s ease forwards;
}

.timeline-dot {
    position: absolute;
    left: -2.4rem;
    /* Adjust based on padding of timeline */
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: #0d9488;
    /* blue-500 */
    border: 3px solid #f8fafc;
    /* white/slate-50 */
    box-shadow: 0 0 0 2px #0d9488;
    z-index: 10;
}

.dark .timeline-dot {
    border-color: #0f172a;
    /* slate-900 */
    box-shadow: 0 0 0 2px #0d9488;
}

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

.hover-card-effect:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

.dark .hover-card-effect:hover {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* Navigation Link Active State */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #0d9488;
    transition: width 0.3s;
}

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

/* Skills Badge */
.skill-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.skill-badge:hover {
    transform: scale(1.05);
}

/* Mobile Menu Transition - Only relevant for screens < md (768px) */
@media (max-width: 767px) {
    #mobile-menu {
        display: block;
        /* Ensure it's ready for transition */
        transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
    }

    #mobile-menu.open {
        max-height: 500px;
        /* Increased to accommodate content */
        opacity: 1;
    }
}

/* Hide mobile menu on desktop to prevent any potential overlap */
@media (min-width: 768px) {
    #mobile-menu {
        display: none !important;
    }
}

/* Project Description Expansion */
.description-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.description-text {
    transition: all 0.3s ease-in-out;
}

.description-text.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-clamp: 3;
}

.description-text.expanded {
    -webkit-line-clamp: unset;
    line-clamp: unset;
    display: block;
}

.expand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f1f5f9;
    /* slate-100 */
    color: #475569;
    /* slate-600 */
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    margin-top: 0.5rem;
}

.dark .expand-btn {
    background: #1e293b;
    /* slate-800 */
    color: #94a3b8;
    /* slate-400 */
    border-color: #334155;
}

.expand-btn:hover {
    background: #e2e8f0;
    /* slate-200 */
    color: #0d9488;
    /* teal-600 */
    transform: translateY(2px);
}

.dark .expand-btn:hover {
    background: #334155;
    /* slate-700 */
    color: #2dd4bf;
    /* teal-400 */
}

.expand-btn.active i {
    transform: rotate(180deg);
}

.expand-btn i {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
}