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

    /* Fade in animations */
    .fade-in {
        animation: fadeIn 0.8s ease-out;
    }

    .fade-in-up {
        animation: fadeInUp 0.8s ease-out;
    }

    @@keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

    @@keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Line expand animation */
    .line-expand {
        animation: lineExpand 1s ease-out;
    }

    @@keyframes lineExpand {
        from {
            width: 0;
        }
        to {
            width: 5rem;
        }
    }

    /* Animation delays */
    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.3s; }
    .delay-4 { animation-delay: 0.4s; }

    /* Button styles */
    .btn-primary {
        padding: 0.75rem 2rem;
        background-color: #111827 !important;
        color: white !important;
        text-transform: uppercase;
        font-size: 0.875rem;
        letter-spacing: 0.1em;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        text-decoration: none;
    }

    .btn-primary:hover {
        background-color: #1f2937 !important;
        color: white !important;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    }

    .btn-secondary {
        padding: 0.75rem 2rem;
        border: 1px solid #111827;
        color: #111827 !important;
        background-color: transparent;
        text-transform: uppercase;
        font-size: 0.875rem;
        letter-spacing: 0.1em;
        transition: all 0.3s ease;
        display: inline-block;
        text-decoration: none;
    }

    .btn-secondary:hover {
        background-color: #f9fafb;
        color: #111827 !important;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    }

    .btn-light {
        padding: 1rem 2.5rem;
        background-color: white !important;
        color: #111827 !important;
        text-transform: uppercase;
        font-size: 0.875rem;
        letter-spacing: 0.1em;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        text-decoration: none;
    }

    .btn-light:hover {
        background-color: #f3f4f6 !important;
        color: #111827 !important;
        transform: translateY(-3px);
        box-shadow: 0 20px 40px -10px rgba(255, 255, 255, 0.3);
    }

    .btn-outline-light {
        padding: 1rem 2.5rem;
        border: 1px solid white;
        color: white !important;
        background-color: transparent;
        text-transform: uppercase;
        font-size: 0.875rem;
        letter-spacing: 0.1em;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        text-decoration: none;
    }

    .btn-outline-light:hover {
        background-color: white !important;
        color: #111827 !important;
        transform: translateY(-3px);
        box-shadow: 0 20px 40px -10px rgba(255, 255, 255, 0.3);
    }

    /* Social link hover effects */
    .social-link {
        transition: all 0.3s ease;
        display: inline-block;
    }

    .social-link:hover {
        color: #111827;
        transform: translateY(-3px);
    }

    /* Stat card hover effect */
    .stat-card {
        transition: all 0.3s ease;
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .stat-card:hover {
        transform: translateY(-5px);
    }

    /* Section reveal animation */
    .section-reveal {
        opacity: 0;
        animation: fadeInUp 0.8s ease-out 0.2s forwards;
    }

    /* Experience card */
    .experience-card {
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
        transition: transform 0.3s ease;
    }

    .experience-card:hover {
        transform: translateX(5px);
    }

    /* Skill card */
    .skill-card {
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
        padding: 1.5rem;
        border-radius: 0.5rem;
        transition: all 0.3s ease;
    }

    .skill-card:nth-child(1) { animation-delay: 0.1s; }
    .skill-card:nth-child(2) { animation-delay: 0.2s; }
    .skill-card:nth-child(3) { animation-delay: 0.3s; }

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

    /* Strength card */
    .strength-card {
        position: relative;
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
        padding: 1rem 0;
        transition: transform 0.3s ease;
    }

    .strength-card:nth-child(1) { animation-delay: 0.1s; }
    .strength-card:nth-child(2) { animation-delay: 0.2s; }
    .strength-card:nth-child(3) { animation-delay: 0.3s; }

    .strength-card:hover {
        transform: translateX(10px);
    }

    /* Link underline effect */
    .link-underline {
        position: relative;
        color: #111827;
        text-transform: uppercase;
        font-size: 0.875rem;
        letter-spacing: 0.1em;
        padding-bottom: 0.25rem;
        transition: color 0.3s ease;
    }

    .link-underline::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 1px;
        background-color: #111827;
        transform: scaleX(1);
        transition: transform 0.3s ease;
    }

    .link-underline:hover {
        color: #4b5563;
    }

    .link-underline:hover::after {
        transform: scaleX(0.8);
    }

    /* Skills Overview Cards */
    .skill-overview-card {
        background-color: white;
        padding: 1.5rem;
        border-radius: 0.75rem;
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
        transition: all 0.3s ease;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    }

    .skill-overview-card:nth-child(1) { animation-delay: 0.1s; }
    .skill-overview-card:nth-child(2) { animation-delay: 0.2s; }
    .skill-overview-card:nth-child(3) { animation-delay: 0.3s; }
    .skill-overview-card:nth-child(4) { animation-delay: 0.4s; }

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

    /* Skill Tags */
    .skill-tag {
        display: inline-block;
        padding: 0.375rem 0.75rem;
        background-color: #f3f4f6;
        color: #374151;
        font-size: 0.75rem;
        font-weight: 500;
        border-radius: 0.375rem;
        transition: all 0.2s ease;
        white-space: nowrap;
    }

    .skill-tag:hover {
        background-color: #111827;
        color: white;
        transform: translateY(-2px);
    }

    /* Accessibility */
    a:focus-visible {
        outline: 2px solid currentColor;
        outline-offset: 4px;
    }