/* Sticky Footer Flexbox */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

.container {
    width: 80%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0 5rem; /* Add padding to the bottom for visibility */
    flex: 1;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.nav-inner {
    width: 80%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
}

.nav-name {
    color: #222;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.8rem;
}

.nav-links a {
    color: #333;
    font-size: 0.95rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links a:hover {
    color: #007bff;
}

.nav-links a.active {
    color: #007bff;
}

header {
    background-color: #222;
    color: #fff;
    padding: 3rem 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header h2 {
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

header p {
    max-width: 760px;
    margin: 1rem auto 0;
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.6;
}

.header-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 1.5rem;
}

.header-actions a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #fff;
    border-radius: 5px;
    padding: 0.65rem 1rem;
    transition: background-color 0.3s, color 0.3s;
}

.header-actions a:hover {
    background-color: #fff;
    color: #222;
}

.about, .experience, .skills, .projects, .contact, .cv-section {
    margin-bottom: 3rem;
    text-align: center;
}

.summary-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
    text-align: center;
}

.summary-strip div {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
}

.summary-strip strong,
.summary-strip span {
    display: block;
}

.summary-strip strong {
    color: #222;
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.summary-strip span {
    font-size: 0.9rem;
    line-height: 1.4;
}

.about h2, .experience h2, .skills h2, .projects h2, .contact h2, .cv-section h2 {
    font-size: 2rem;
    color: #222;
    margin-bottom: 1rem;
}

.about p {
    line-height: 1.6;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    text-align: left;
}

.experience-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
}

.experience-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    color: #222;
}

.experience-card p {
    margin: 0;
    line-height: 1.5;
    font-size: 0.95rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    text-align: left;
}

.skill-card {
    background-color: #fff;
    border: 1px solid #d7e3ef;
    border-radius: 8px;
    padding: 1.1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
    border-left: 5px solid #007bff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.skill-card h3 {
    font-size: 1.05rem;
    color: #222;
    font-weight: bold;
    margin: 0 0 0.75rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid #e6eef7;
}

.skills .skill-row {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.skills .skill-badge {
    background-color: #f8fbff;
    color: #25415f;
    border: 1px solid #c6d9ec;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-size: 0.9rem;
    line-height: 1.3;
    text-align: center;
    transition: background-color 0.3s, border-color 0.3s;
}

.skills .skill-badge:hover {
    background-color: #edf6ff;
    border-color: #83b9ee;
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1.5rem;
}

.project-filter {
    color: #222;
    background-color: #fff;
    border: 1px solid #bbb;
    border-radius: 5px;
    padding: 0.5rem 0.8rem;
    font: inherit;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.project-filter:hover,
.project-filter.active {
    color: #fff;
    background-color: #222;
    border-color: #222;
}

.project.is-hidden {
    display: none;
}

.project {
    background-color: #fff;
    padding: 1.5rem;
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.projects .project[style] {
    padding-top: 1.5rem !important;
}

.project > div[style*="position: absolute"] {
    position: static !important;
    display: flex !important;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1rem;
}

.project:hover {
    transform: scale(1.05);
}

.project h3 {
    font-size: 1.5rem;
    color: #333;
    margin: 0 0 0.5rem;
}

.project p {
    margin: 0.5rem 0 1rem;
    line-height: 1.5;
}

.project > a {
    display: inline-block;
    color: #007bff;
    background-color: #fff;
    border: 2px solid #007bff;
    border-radius: 5px;
    padding: 0.5rem 0.8rem;
    margin: 0.25rem;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s, background-color 0.3s;
}

.project > a:hover {
    color: #fff;
    background-color: #007bff;
}

.project > span {
    display: none;
}

.contact a {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #222;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.contact a:hover {
    background-color: #555;
}

.cv-section {
    text-align: center;
    padding: 2rem 0;
    background-color: #f9f9f9;
    margin-top: 2rem;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.document-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.cv-link {
    display: inline-block;
    font-size: 1.1rem;
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s, background-color 0.3s;
    padding: 0.5rem 1rem;
    border: 2px solid #007bff;
    border-radius: 5px;
}

.cv-link:hover {
    color: #fff;
    background-color: #007bff;
}

footer {
    text-align: center;
    padding: 1rem 0;
    background-color: #222;
    color: #fff;
    font-size: 0.9rem;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

footer a {
    color: #fff;
    text-decoration: none;
    margin: 0 1rem;
}

footer a:hover {
    text-decoration: underline;
}

footer img {
    vertical-align: middle;
    width: 20px;
    margin-left: 10px;
}

.back-to-top {
    position: fixed;
    right: 1rem;
    bottom: 4.5rem;
    z-index: 11;
    color: #fff;
    background-color: #222;
    border: 0;
    border-radius: 5px;
    padding: 0.65rem 0.85rem;
    font: inherit;
    font-weight: bold;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, background-color 0.3s;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background-color: #555;
}

/* Responsive styling */
@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    .nav-inner {
        width: 90%;
        flex-direction: column;
    }

    .nav-links {
        justify-content: center;
    }

    .summary-strip {
        grid-template-columns: 1fr;
    }

    .project-filters {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .project-filter {
        flex: 0 0 auto;
    }

    header h1 {
        font-size: 2rem;
    }

    header h2 {
        font-size: 1.3rem;
    }

    .about h2, .experience h2, .skills h2, .projects h2, .contact h2, .cv-section h2 {
        font-size: 1.7rem;
    }

    .experience-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .project > div[style*="position: absolute"] {
        justify-content: center;
    }

    .document-links {
        flex-direction: column;
        align-items: center;
    }

    .cv-link {
        width: min(100%, 260px);
        box-sizing: border-box;
    }
}

@media print {
    .site-nav,
    .header-actions,
    .project-filters,
    .contact,
    footer,
    .back-to-top {
        display: none;
    }

    body {
        background-color: #fff;
        color: #000;
    }

    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }

    .project,
    .experience-card,
    .summary-strip div {
        box-shadow: none;
        break-inside: avoid;
    }
}