:root {
    --color-primary: #008EA8;
    --color-primary-dark: #00697d;
    --color-text: #1a1a2e;
    --color-text-muted: #5a6a7a;
    --color-bg: #f7f8fa;
    --color-card: #ffffff;
    --color-border: #e4e8ed;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
    --transition: 0.2s ease;
}

::selection {
    background-color: var(--color-primary);
    color: #ffffff;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
    margin: 0 0 0.5rem;
    line-height: 1.2;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-text);
}

h2 {
    font-size: 1.15rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

p {
    margin: 0 0 0.9rem;
    color: var(--color-text-muted);
}

p:last-child {
    margin-bottom: 0;
}

a, a:link, a:active {
    color: var(--color-primary);
    text-decoration: none;
}

a:visited {
    color: var(--color-primary-dark);
}

a:hover {
    text-decoration: underline;
}

/* Container */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
}

/* Profile */
.profile {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2.5rem;
}

.profile__photo > a {
    display: block;
    text-decoration: none;
    border-radius: 50%;
    width: 110px;
    height: 110px;
    flex-shrink: 0;
    border: 3px solid var(--color-primary);
    transition: box-shadow var(--transition);
    background-image: url('../images/antonin-neumann-portret-small.jpg');
    background-size: 130px auto;
    background-position: 72% 2%;
}

.profile__photo > a {
    cursor: zoom-in;
}

.profile__photo > a:hover {
    box-shadow: 0 0 0 4px rgba(0, 142, 168, 0.2);
    text-decoration: none;
}

.profile__photo > img {
    display: none;
}

.profile__info h1 {
    margin-bottom: 0.35rem;
}

.tagline {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0 0 0.35rem;
}

.availability {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: 0.02em;
}

.profile__badges {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.75rem;
}

.profile__badges img {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

/* Sections */
.section {
    margin-bottom: 2.75rem;
}

/* About */
.about {
    display: flex;
    align-items: flex-start;
    gap: 1.75rem;
}

.about__cartoon {
    width: 140px;
    flex-shrink: 0;
    border-radius: var(--radius);
    order: 1;
}

.about > div {
    order: 0;
}

@media (max-width: 480px) {
    .about {
        flex-direction: column;
        align-items: center;
    }

    .about__cartoon {
        width: 100%;
        order: 0;
    }

    .about > div {
        order: 1;
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
}

.modal:target {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.modal__content img {
    display: block;
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.modal__close {
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 2rem;
    height: 2rem;
    background: var(--color-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--color-text);
    text-decoration: none;
    box-shadow: var(--shadow);
}

.modal__close:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.about__cartoon {
    cursor: zoom-in;
}

/* Skills */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: rgba(0, 142, 168, 0.08);
    color: var(--color-primary);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Education */
.education__item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.education__years {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    padding-top: 0.15rem;
    min-width: 90px;
}

.education__item h3 {
    margin-bottom: 0.15rem;
}

.education__item p {
    font-size: 0.875rem;
    margin: 0;
}

/* Project cards */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1rem;
}

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.card p {
    font-size: 0.875rem;
    flex: 1;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    margin-top: auto;
}

.btn:hover {
    text-decoration: underline;
}

/* CTA button */
.cta-center {
    text-align: center;
    margin: -0.75rem 0 2.75rem;
}

.cta-btn,
.cta-btn:link,
.cta-btn:visited {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), box-shadow var(--transition);
}

.cta-btn:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 16px rgba(0, 142, 168, 0.35);
    text-decoration: none;
    color: #ffffff;
}

/* Contact links */
.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.875rem;
    background: var(--color-card);
    transition: border-color var(--transition), color var(--transition), background var(--transition);
    white-space: nowrap;
}

.contact-link svg {
    flex-shrink: 0;
}

.contact-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0, 142, 168, 0.05);
    text-decoration: none;
}

.contact-link:visited {
    color: var(--color-text);
}

.contact-link:visited:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

.footer p {
    font-size: 0.8rem;
    color: #aab0b8;
    margin: 0;
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 1.5rem 1.25rem 2rem;
    }

    .profile {
        flex-direction: column;
        text-align: center;
        gap: 1.25rem;
    }

    h1 {
        font-size: 1.85rem;
    }

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

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #e8edf2;
        --color-text-muted: #8a9bb0;
        --color-bg: #111827;
        --color-card: #1e2a38;
        --color-border: #2a3a4d;
        --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.45);
    }

    .contact-link:hover {
        background: rgba(0, 142, 168, 0.12);
    }
}